1/*! 2 * Modernizr v2.6.2 3 * www.modernizr.com 4 * 5 * Copyright (c) Faruk Ates, Paul Irish, Alex Sexton 6 * Available under the BSD and MIT licenses: www.modernizr.com/license/ 7 */ 8 9/* 10 * Modernizr tests which native CSS3 and HTML5 features are available in 11 * the current UA and makes the results available to you in two ways: 12 * as properties on a global Modernizr object, and as classes on the 13 * <html> element. This information allows you to progressively enhance 14 * your pages with a granular level of control over the experience. 15 * 16 * Modernizr has an optional (not included) conditional resource loader 17 * called Modernizr.load(), based on Yepnope.js (yepnopejs.com). 18 * To get a build that includes Modernizr.load(), as well as choosing 19 * which tests to include, go to www.modernizr.com/download/ 20 * 21 * Authors Faruk Ates, Paul Irish, Alex Sexton 22 * Contributors Ryan Seddon, Ben Alman 23 */ 24 25window.Modernizr = (function( window, document, undefined ) { 26 27 var version = '2.6.2', 28 29 Modernizr = {}, 30 31 /*>>cssclasses*/ 32 // option for enabling the HTML classes to be added 33 enableClasses = true, 34 /*>>cssclasses*/ 35 36 docElement = document.documentElement, 37 38 /** 39 * Create our "modernizr" element that we do most feature tests on. 40 */ 41 mod = 'modernizr', 42 modElem = document.createElement(mod), 43 mStyle = modElem.style, 44 45 /** 46 * Create the input element for various Web Forms feature tests. 47 */ 48 inputElem /*>>inputelem*/ = document.createElement('input') /*>>inputelem*/ , 49 50 /*>>smile*/ 51 smile = ':)', 52 /*>>smile*/ 53 54 toString = {}.toString, 55 56 // TODO :: make the prefixes more granular 57 /*>>prefixes*/ 58 // List of property values to set for css tests. See ticket #21 59 prefixes = ' -webkit- -moz- -o- -ms- '.split(' '), 60 /*>>prefixes*/ 61 62 /*>>domprefixes*/ 63 // Following spec is to expose vendor-specific style properties as: 64 // elem.style.WebkitBorderRadius 65 // and the following would be incorrect: 66 // elem.style.webkitBorderRadius 67 68 // Webkit ghosts their properties in lowercase but Opera & Moz do not. 69 // Microsoft uses a lowercase `ms` instead of the correct `Ms` in IE8+ 70 // erik.eae.net/archives/2008/03/10/21.48.10/ 71 72 // More here: github.com/Modernizr/Modernizr/issues/issue/21 73 omPrefixes = 'Webkit Moz O ms', 74 75 cssomPrefixes = omPrefixes.split(' '), 76 77 domPrefixes = omPrefixes.toLowerCase().split(' '), 78 /*>>domprefixes*/ 79 80 /*>>ns*/ 81 ns = {'svg': 'http://www.w3.org/2000/svg'}, 82 /*>>ns*/ 83 84 tests = {}, 85 inputs = {}, 86 attrs = {}, 87 88 classes = [], 89 90 slice = classes.slice, 91 92 featureName, // used in testing loop 93 94 95 /*>>teststyles*/ 96 // Inject element with style element and some CSS rules 97 injectElementWithStyles = function( rule, callback, nodes, testnames ) { 98 99 var style, ret, node, docOverflow, 100 div = document.createElement('div'), 101 // After page load injecting a fake body doesn't work so check if body exists 102 body = document.body, 103 // IE6 and 7 won't return offsetWidth or offsetHeight unless it's in the body element, so we fake it. 104 fakeBody = body || document.createElement('body'); 105 106 if ( parseInt(nodes, 10) ) { 107 // In order not to give false positives we create a node for each test 108 // This also allows the method to scale for unspecified uses 109 while ( nodes-- ) { 110 node = document.createElement('div'); 111 node.id = testnames ? testnames[nodes] : mod + (nodes + 1); 112 div.appendChild(node); 113 } 114 } 115 116 // <style> elements in IE6-9 are considered 'NoScope' elements and therefore will be removed 117 // when injected with innerHTML. To get around this you need to prepend the 'NoScope' element 118 // with a 'scoped' element, in our case the soft-hyphen entity as it won't mess with our measurements. 119 // msdn.microsoft.com/en-us/library/ms533897%28VS.85%29.aspx 120 // Documents served as xml will throw if using ­ so use xml friendly encoded version. See issue #277 121 style = ['­','<style id="s', mod, '">', rule, '</style>'].join(''); 122 div.id = mod; 123 // IE6 will false positive on some tests due to the style element inside the test div somehow interfer
123ing offsetHeight, so insert it into body or fakebody. 124 // Opera will act all quirky when injecting elements in documentElement when page is served as xml, needs fakebody too. #270 125 (body ? div : fakeBody).innerHTML += style; 126 fakeBody.appendChild(div); 127 if ( !body ) { 128 //avoid crashing IE8, if background image is used 129 fakeBody.style.background = ''; 130 //Safari 5.13/5.1.4 OSX stops loading if ::-webkit-scrollbar is used and scrollbars are visible 131 fakeBody.style.overflow = 'hidden'; 132 docOverflow = docElement.style.overflow; 133 docElement.style.overflow = 'hidden'; 134 docElement.appendChild(fakeBody); 135 } 136 137 ret = callback(div, rule); 138 // If this is done after page load we don't want to remove the body so check if body exists 139 if ( !body ) { 140 fakeBody.parentNode.removeChild(fakeBody); 141 docElement.style.overflow = docOverflow; 142 } else { 143 div.parentNode.removeChild(div); 144 } 145 146 return !!ret; 147 148 }, 149 /*>>teststyles*/ 150 151 /*>>mq*/ 152 // adapted from matchMedia polyfill 153 // by Scott Jehl and Paul Irish 154 // gist.github.com/786768 155 testMediaQuery = function( mq ) { 156 157 var matchMedia = window.matchMedia || window.msMatchMedia; 158 if ( matchMedia ) { 159 return matchMedia(mq).matches; 160 } 161 162 var bool; 163 164 injectElementWithStyles('@media ' + mq + ' { #' + mod + ' { position: absolute; } }', function( node ) { 165 bool = (window.getComputedStyle ? 166 getComputedStyle(node, null) : 167 node.currentStyle)['position'] == 'absolute'; 168 }); 169 170 return bool; 171 172 }, 173 /*>>mq*/ 174 175 176 /*>>hasevent*/ 177 // 178 // isEventSupported determines if a given element supports the given event 179 // kangax.github.com/iseventsupported/ 180 // 181 // The following results are known incorrects: 182 // Modernizr.hasEvent("webkitTransitionEnd", elem) // false negative 183 // Modernizr.hasEvent("textInput") // in Webkit. github.com/Modernizr/Modernizr/issues/333 184 // ... 185 isEventSupported = (function() { 186 187 var TAGNAMES = { 188 'select': 'input', 'change': 'input', 189 'submit': 'form', 'reset': 'form', 190 'error': 'img', 'load': 'img', 'abort': 'img' 191 }; 192 193 function isEventSupported( eventName, element ) { 194 195 element = element || document.createElement(TAGNAMES[eventName] || 'div'); 196 eventName = 'on' + eventName; 197 198 // When using `setAttribute`, IE skips "unload", WebKit skips "unload" and "resize", whereas `in` "catches" those 199 var isSupported = eventName in element; 200 201 if ( !isSupported ) { 202 // If it has no `setAttribute` (i.e. doesn't implement Node interface), try generic element 203 if ( !element.setAttribute ) { 204 element = document.createElement('div'); 205 } 206 if ( element.setAttribute && element.removeAttribute ) { 207 element.setAttribute(eventName, ''); 208 isSupported = is(element[eventName], 'function'); 209 210 // If property was created, "remove it" (by setting value to `undefined`) 211 if ( !is(element[eventName], 'undefined') ) { 212 element[eventName] = undefined; 213 } 214 element.removeAttribute(eventName); 215 } 216 } 217 218 element = null; 219 return isSupported; 220 } 221 return isEventSupported; 222 })(), 223 /*>>hasevent*/ 224 225 // TODO :: Add flag for hasownprop ? didn't last time 226 227 // hasOwnProperty shim by kangax needed for Safari 2.0 support 228 _hasOwnProperty = ({}).hasOwnProperty, hasOwnProp; 229 230 if ( !is(_hasOwnProperty, 'undefined') && !is(_hasOwnProperty.call, 'undefined') ) { 231 hasOwnProp = function (object, property) { 232 return _hasOwnProperty.call(object, property); 233 }; 234 } 235 else { 236 hasOwnProp = function (object, property) { /* yes, this can give false positives/negatives, but most of the time we don't care about those */ 237 return ((property in object) && is(object.constructor.prototype[property], 'undefined')); 238 }; 239 } 240 241 // Adapted from ES5-shim https://github.com/kriskowal/es5-shim/blob/master/es5-shim.js 242 // es5.github.com/#x15.3.4.5 243 244 if (!Function.prototype.bind) { 245 Function.prototype.bind = function bind(that) { 246 247 var target = this; 248 249 if (typeof target != "function") { 250 throw new TypeError(); 251 } 252 253 var args = slice.call(arguments, 1), 254 bound = function () { 255 256 if (this instanceof bound) { 257 258 var F = function(){}; 259 F.prototype = target.prototype; 260 var self = new F(); 261 262 var result = target.apply( 263 self, 264 args.concat(slice.call(arguments)) 265 ); 266 if (Object(result) === result) { 267 return result; 268 } 269 return self; 270 271 } else { 272 273 return target.apply( 274 that, 275 args.concat(slice.call(arguments)) 276 ); 277 278 } 279 280 }; 281 282 return bound; 283 }; 284 } 285 286 /** 287 * setCss applies given styles to the Modernizr DOM node. 288 */ 289 function setCss( str ) { 290 mStyle.cssText = str; 291 } 292 293 /** 294 * setCssAll extrapolates all vendor-specific css strings. 295 */ 296 function setCssAll( str1, str2 ) { 297 return setCss(prefixes.join(str1 + ';') + ( str2 || '' )); 298 } 299 300 /** 301 * is returns a boolean for if typeof obj is exactly type. 302 */ 303 function is( obj, type ) { 304 return typeof obj === type; 305 } 306 307 /** 308 * contains returns a boolean for if substr is found within str. 309 */ 310 function contains( str, substr ) {
311 return !!~('' + str).indexOf(substr); 312 } 313 314 /*>>testprop*/ 315 316 // testProps is a generic CSS / DOM property test. 317 318 // In testing support for a given CSS property, it's legit to test: 319 // `elem.style[styleName] !== undefined` 320 // If the property is supported it will return an empty string, 321 // if unsupported it will return undefined. 322 323 // We'll take advantage of this quick test and skip setting a style 324 // on our modernizr element, but instead just testing undefined vs 325 // empty string. 326 327 // Because the testing of the CSS property names (with "-", as 328 // opposed to the camelCase DOM properties) is non-portable and 329 // non-standard but works in WebKit and IE (but not Gecko or Opera), 330 // we explicitly reject properties with dashes so that authors 331 // developing in WebKit or IE first don't end up with 332 // browser-specific content by accident. 333 334 function testProps( props, prefixed ) { 335 for ( var i in props ) { 336 var prop = props[i]; 337 if ( !contains(prop, "-") && mStyle[prop] !== undefined ) { 338 return prefixed == 'pfx' ? prop : true; 339 } 340 } 341 return false; 342 } 343 /*>>testprop*/ 344 345 // TODO :: add testDOMProps 346 /** 347 * testDOMProps is a generic DOM property test; if a browser supports 348 * a certain property, it won't return undefined for it. 349 */ 350 function testDOMProps( props, obj, elem ) { 351 for ( var i in props ) { 352 var item = obj[props[i]]; 353 if ( item !== undefined) { 354 355 // return the property name as a string 356 if (elem === false) return props[i]; 357 358 // let's bind a function 359 if (is(item, 'function')){ 360 // default to autobind unless override 361 return item.bind(elem || obj); 362 } 363 364 // return the unbound function or obj or value 365 return item; 366 } 367 } 368 return false; 369 } 370 371 /*>>testallprops*/ 372 /** 373 * testPropsAll tests a list of DOM properties we want to check against. 374 * We specify literally ALL possible (known and/or likely) properties on 375 * the element including the non-vendor prefixed one, for forward- 376 * compatibility. 377 */ 378 function testPropsAll( prop, prefixed, elem ) { 379 380 var ucProp = prop.charAt(0).toUpperCase() + prop.slice(1), 381 props = (prop + ' ' + cssomPrefixes.join(ucProp + ' ') + ucProp).split(' '); 382 383 // did they call .prefixed('boxSizing') or are we just testing a prop? 384 if(is(prefixed, "string") || is(prefixed, "undefined")) { 385 return testProps(props, prefixed); 386 387 // otherwise, they called .prefixed('requestAnimationFrame', window[, elem]) 388 } else { 389 props = (prop + ' ' + (domPrefixes).join(ucProp + ' ') + ucProp).split(' '); 390 return testDOMProps(props, prefixed, elem); 391 } 392 } 393 /*>>testallprops*/ 394 395 396 /** 397 * Tests 398 * ----- 399 */ 400 401 // The *new* flexbox 402 // dev.w3.org/csswg/css3-flexbox 403 404 tests['flexbox'] = function() { 405 return testPropsAll('flexWrap'); 406 }; 407 408 // The *old* flexbox 409 // www.w3.org/TR/2009/WD-css3-flexbox-20090723/ 410 411 tests['flexboxlegacy'] = function() { 412 return testPropsAll('boxDirection'); 413 }; 414 415 // On the S60 and BB Storm, getContext exists, but always returns undefined 416 // so we actually have to call getContext() to verify 417 // github.com/Modernizr/Modernizr/issues/issue/97/ 418 419 tests['canvas'] = function() { 420 var elem = document.createElement('canvas'); 421 return !!(elem.getContext && elem.getContext('2d')); 422 }; 423 424 tests['canvastext'] = function() { 425 return !!(Modernizr['canvas'] && is(document.createElement('canvas').getContext('2d').fillText, 'function')); 426 }; 427 428 // webk.it/70117 is tracking a legit WebGL feature detect proposal 429 430 // We do a soft detect which may false positive in order to avoid 431 // an expensive context creation: bugzil.la/732441 432 433 tests['webgl'] = function() { 434 return !!window.WebGLRenderingContext; 435 }; 436 437 /* 438 * The Modernizr.touch test only indicates if the browser supports 439 * touch events, which does not necessarily reflect a touchscreen 440 * device, as evidenced by tablets running Windows 7 or, alas, 441 * the Palm Pre / WebOS (touch) phones. 442 * 443 * Additionally, Chrome (desktop) used to lie about its support on this, 444 * but that has since been rectified: crbug.com/36415 445 * 446 * We also test for Firefox 4 Multitouch Support. 447 * 448 * For more info, see: modernizr.github.com/Modernizr/touch.html 449 */ 450 451 tests['touch'] = function() { 452 var bool; 453 454 if(('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch) { 455 bool = true; 456 } else { 457 injectElementWithStyles(['@media (',prefixes.join('touch-enabled),('),mod,')','{#modernizr{top:9px;position:absolute}}'].join(''), function( node ) { 458 bool = node.offsetTop === 9; 459 }); 460 } 461 462 return bool; 463 }; 464 465 466 // geolocation is often considered a trivial feature detect... 467 // Turns out, it's quite tricky to get right: 468 // 469 // Using !!navigator.geolocation does two things we don't want. It: 470 // 1. Leaks memory in IE9: github.com/Modernizr/Modernizr/issues/513 471 // 2. Disables page caching in WebKit: webk.it/43956 472 // 473 // Meanwhile, in Firefox < 8, an about:config setting could expose 474 // a false positive that would throw an exception: bugzil.la/688158 475 476 tests['geolocation'] = function() { 477 return 'geolocation' in navigator; 478 }; 479 480 481 tests['postmessage'] = function() { 482 return !!window.postMessage; 483 }; 484 485 486 // Chrome incognito mode used to throw an exception when using openDatabase 487 // It doesn't anymore. 488 tests['websqldatabase'] = function() {
489 return !!window.openDatabase; 490 }; 491 492 // Vendors had inconsistent prefixing with the experimental Indexed DB: 493 // - Webkit's implementation is accessible through webkitIndexedDB 494 // - Firefox shipped moz_indexedDB before FF4b9, but since then has been mozIndexedDB 495 // For speed, we don't test the legacy (and beta-only) indexedDB 496 tests['indexedDB'] = function() { 497 return !!testPropsAll("indexedDB", window); 498 }; 499 500 // documentMode logic from YUI to filter out IE8 Compat Mode 501 // which false positives. 502 tests['hashchange'] = function() { 503 return isEventSupported('hashchange', window) && (document.documentMode === undefined || document.documentMode > 7); 504 }; 505 506 // Per 1.6: 507 // This used to be Modernizr.historymanagement but the longer 508 // name has been deprecated in favor of a shorter and property-matching one. 509 // The old API is still available in 1.6, but as of 2.0 will throw a warning, 510 // and in the first release thereafter disappear entirely. 511 tests['history'] = function() { 512 return !!(window.history && history.pushState); 513 }; 514 515 tests['draganddrop'] = function() { 516 var div = document.createElement('div'); 517 return ('draggable' in div) || ('ondragstart' in div && 'ondrop' in div); 518 }; 519 520 // FF3.6 was EOL'ed on 4/24/12, but the ESR version of FF10 521 // will be supported until FF19 (2/12/13), at which time, ESR becomes FF17. 522 // FF10 still uses prefixes, so check for it until then. 523 // for more ESR info, see: mozilla.org/en-US/firefox/organizations/faq/ 524 tests['websockets'] = function() { 525 return 'WebSocket' in window || 'MozWebSocket' in window; 526 }; 527 528 529 // css-tricks.com/rgba-browser-support/ 530 tests['rgba'] = function() { 531 // Set an rgba() color and check the returned value 532 533 setCss('background-color:rgba(150,255,150,.5)'); 534 535 return contains(mStyle.backgroundColor, 'rgba'); 536 }; 537 538 tests['hsla'] = function() { 539 // Same as rgba(), in fact, browsers re-map hsla() to rgba() internally, 540 // except IE9 who retains it as hsla 541 542 setCss('background-color:hsla(120,40%,100%,.5)'); 543 544 return contains(mStyle.backgroundColor, 'rgba') || contains(mStyle.backgroundColor, 'hsla'); 545 }; 546 547 tests['multiplebgs'] = function() { 548 // Setting multiple images AND a color on the background shorthand property 549 // and then querying the style.background property value for the number of 550 // occurrences of "url(" is a reliable method for detecting ACTUAL support for this! 551 552 setCss('background:url(https://),url(https://),red url(https://)'); 553 554 // If the UA supports multiple backgrounds, there should be three occurrences 555 // of the string "url(" in the return value for elemStyle.background 556 557 return (/(url\s*\(.*?){3}/).test(mStyle.background); 558 }; 559 560 561 562 // this will false positive in Opera Mini 563 // github.com/Modernizr/Modernizr/issues/396 564 565 tests['backgroundsize'] = function() { 566 return testPropsAll('backgroundSize'); 567 }; 568 569 tests['borderimage'] = function() { 570 return testPropsAll('borderImage'); 571 }; 572 573 574 // Super comprehensive table about all the unique implementations of 575 // border-radius: muddledramblings.com/table-of-css3-border-radius-compliance 576
577 tests['borderradius'] = function() { 578 return testPropsAll('borderRadius'); 579 }; 580 581 // WebOS unfortunately false positives on this test. 582 tests['boxshadow'] = function() { 583 return testPropsAll('boxShadow'); 584 }; 585 586 // FF3.0 will false positive on this test 587 tests['textshadow'] = function() { 588 return document.createElement('div').style.textShadow === ''; 589 }; 590 591 592 tests['opacity'] = function() { 593 // Browsers that actually have CSS Opacity implemented have done so 594 // according to spec, which means their return values are within the 595 // range of [0.0,1.0] - including the leading zero. 596 597 setCssAll('opacity:.55'); 598 599 // The non-literal . in this regex is intentional: 600 // German Chrome returns this value as 0,55 601 // github.com/Modernizr/Modernizr/issues/#issue/59/comment/516632 602 return (/^0.55$/).test(mStyle.opacity); 603 }; 604 605 606 // Note, Android < 4 will pass this test, but can only animate 607 // a single property at a time 608 // daneden.me/2011/12/putting-up-with-androids-bullshit/ 609 tests['cssanimations'] = function() { 610 return testPropsAll('animationName'); 611 }; 612 613 614 tests['csscolumns'] = function() { 615 return testPropsAll('columnCount'); 616 }; 617 618 619 tests['cssgradients'] = function() { 620 /** 621 * For CSS Gradients syntax, please see: 622 * webkit.org/blog/175/introducing-css-gradients/ 623 * developer.mozilla.org/en/CSS/-moz-linear-gradient 624 * developer.mozilla.org/en/CSS/-moz-radial-gradient 625 * dev.w3.org/csswg/css3-images/#gradients- 626 */ 627 628 var str1 = 'background-image:', 629 str2 = 'gradient(linear,left top,right bottom,from(#9f9),to(white));', 630 str3 = 'linear-gradient(left top,#9f9, white);'; 631 632 setCss( 633 // legacy webkit syntax (FIXME: remove when syntax not in use anymore) 634 (str1 + '-webkit- '.split(' ').join(str2 + str1) + 635 // standard syntax // trailing 'background-image:' 636 prefixes.join(str3 + str1)).slice(0, -str1.length) 637 ); 638 639 return contains(mStyle.backgroundImage, 'gradient'); 640 }; 641 642 643 tests['cssreflections'] = function() { 644 return testPropsAll('boxReflect'); 645 }; 646 647 648 tests['csstransforms'] = function() { 649 return !!testPropsAll('transform'); 650 }; 651 652 653 tests['csstransforms3d'] = function() { 654 655 var ret = !!testPropsAll('perspective'); 656 657 // Webkit's 3D transforms are passed off to the browser's own graphics renderer. 658 // It works fine in Safari on Leopard and Snow Leopard, but not in Chrome in 659 // some conditions. As a result, Webkit typically recognizes the syntax but 660 // will sometimes throw a false positive, thus we must do a more thorough check: 661 if ( ret && 'webkitPerspective' in docElement.style ) { 662 663 // Webkit allows this media query to succeed only if the feature is enabled. 664 // `@media (transform-3d),(-webkit-transform-3d){ ... }` 665 injectElementWithStyles('@media (transform-3d),(-webkit-transform-3d){#modernizr{left:9px;position:absolute;height:3px;}}', function( node, rule ) { 666 ret = node.offsetLeft === 9 && node.offsetHeight === 3; 667 }); 668 } 669 return ret; 670 }; 671 672 673 tests['csstransitions'] = function() { 674 return testPropsAll('transition'); 675 }; 676 677 678 /*>>fontface*/ 679 // @font-face detection routine by Diego Perini 680 // javascript.nwbox.com/CSSSupport/ 681 682 // false positives: 683 // WebOS github.com/Modernizr/Modernizr/issues/342 684 // WP7 github.com/Modernizr/Modernizr/issues/538 685 tests['fontface'] = function() { 686 var bool; 687 688 injectElementWithStyles('@font-face {font-family:"font";src:url("https://")}', function( node, rule ) { 689 var style = document.getElementById('smodernizr'), 690 sheet = style.sheet || style.styleSheet, 691 cssText = sheet ? (sheet.cssRules && sheet.cssRules[0] ? sheet.cssRules[0].cssText : sheet.cssText || '') : ''; 692 693 bool = /src/i.test(cssText) && cssText.indexOf(rule.split(' ')[0]) === 0; 694 }); 695 696 return bool; 697 }; 698 /*>>fontface*/ 699 700 // CSS generated content detection 701 tests['generatedcontent'] = function() { 702 var bool; 703 704 injectElementWithStyles(['#',mod,'{font:0/0 a}
704#',mod,':after{content:"',smile,'";visibility:hidden;font:3px/1 a}'].join(''), function( node ) { 705 bool = node.offsetHeight >= 3; 706 }); 707 708 return bool; 709 }; 710 711 712 713 // These tests evaluate support of the video/audio elements, as well as 714 // testing what types of content they support. 715 // 716 // We're using the Boolean constructor here, so that we can extend the value 717 // e.g. Modernizr.video // true 718 // Modernizr.video.ogg // 'probably' 719 // 720 // Codec values from : github.com/NielsLeenheer/html5test/blob/9106a8/index.html#L845 721 // thx to NielsLeenheer and zcorpan 722 723 // Note: in some older browsers, "no" was a return value instead of empty string. 724 // It was live in FF3.5.0 and 3.5.1, but fixed in 3.5.2 725 // It was also live in Safari 4.0.0 - 4.0.4, but fixed in 4.0.5 726 727 tests['video'] = function() { 728 var elem = document.createElement('video'), 729 bool = false; 730 731 // IE9 Running on Windows Server SKU can cause an exception to be thrown, bug #224 732 try { 733 if ( bool = !!elem.canPlayType ) { 734 bool = new Boolean(bool); 735 bool.ogg = elem.canPlayType('video/ogg; codecs="theora"') .replace(/^no$/,''); 736
737 // Without QuickTime, this value will be `undefined`. github.com/Modernizr/Modernizr/issues/546 738 bool.h264 = elem.canPlayType('video/mp4; codecs="avc1.42E01E"') .replace(/^no$/,''); 739 740 bool.webm = elem.canPlayType('video/webm; codecs="vp8, vorbis"').replace(/^no$/,''); 741 } 742 743 } catch(e) { } 744 745 return bool; 746 }; 747 748 tests['audio'] = function() { 749 var elem = document.createElement('audio'), 750 bool = false; 751 752 try { 753 if ( bool = !!elem.canPlayType ) { 754 bool = new Boolean(bool); 755 bool.ogg = elem.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/,''); 756 bool.mp3 = elem.canPlayType('audio/mpeg;') .replace(/^no$/,''); 757 758 // Mimetypes accepted: 759 // developer.mozilla.org/En/Media_formats_supported_by_the_audio_and_video_elements 760 // bit.ly/iphoneoscodecs 761 bool.wav = elem.canPlayType('audio/wav; codecs="1"') .replace(/^no$/,''); 762 bool.m4a = ( elem.canPlayType('audio/x-m4a;') || 763 elem.canPlayType('audio/aac;')) .replace(/^no$/,''); 764 } 765 } catch(e) { } 766 767 return bool; 768 }; 769 770 771 // In FF4, if disabled, window.localStorage should === null. 772 773 // Normally, we could not test that directly and need to do a 774 // `('localStorage' in window) && ` test first because otherwise Firefox will 775 // throw bugzil.la/365772 if cookies are disabled 776 777 // Also in iOS5 Private Browsing mode, attempting to use localStorage.setItem 778 // will throw the exception: 779 // QUOTA_EXCEEDED_ERRROR DOM Exception 22. 780 // Peculiarly, getItem and removeItem calls do not throw. 781 782 // Because we are forced to try/catch this, we'll go aggressive. 783 784 // Just FWIW: IE8 Compat mode supports these features completely: 785 // www.quirksmode.org/dom/html5.html 786 // But IE8 doesn't support either with local files 787 788 tests['localstorage'] = function() { 789 try { 790 localStorage.setItem(mod, mod); 791 localStorage.removeItem(mod); 792 return true; 793 } catch(e) { 794 return false; 795 } 796 }; 797 798 tests['sessionstorage'] = function() { 799 try { 800 sessionStorage.setItem(mod, mod); 801 sessionStorage.removeItem(mod); 802 return true; 803 } catch(e) { 804 return false; 805 } 806 }; 807 808 809 tests['webworkers'] = function() { 810 return !!window.Worker; 811 }; 812 813 814 tests['applicationcache'] = function() { 815 return !!window.applicationCache; 816 }; 817 818 819 // Thanks to Erik Dahlstrom 820 tests['svg'] = function() { 821 return !!document.createElementNS && !!document.createElementNS(ns.svg, 'svg').createSVGRect; 822 }; 823 824 // specifically for SVG inline in HTML, not within XHTML 825 // test page: paulirish.com/demo/inline-svg 826 tests['inlinesvg'] = function() { 827 var div = document.createElement('div'); 828 div.innerHTML = '<svg/>'; 829 return (div.firstChild && div.firstChild.namespaceURI) == ns.svg; 830 }; 831 832 // SVG SMIL animation 833 tests['smil'] = function() { 834 return !!document.createElementNS && /SVGAnimate/.test(toString.call(document.createElementNS(ns.svg, 'animate'))); 835 }; 836 837 // This test is only for clip paths in SVG proper, not clip paths on HTML content 838 // demo: srufaculty.sru.edu/david.dailey/svg/newstuff/clipPath4.svg 839 840 // However read the comments to dig into applying SVG clippaths to HTML content here: 841 // github.com/Modernizr/Modernizr/issues/213#issuecomment-1149491 842 tests['svgclippaths'] = function() { 843 return !!document.createElementNS && /SVGClipPath/.test(toString.call(document.createElementNS(ns.svg, 'clipPath'))); 844 }; 845 846 /*>>webforms*/ 847 // input features and input types go directly onto the ret object, bypassing the tests loop. 848 // Hold this guy to execute in a moment. 849 function webforms() { 850 /*>>input*/ 851 // Run through HTML5's new input attributes to see if the UA understands any. 852 // We're using f which is the <input> element created early on 853 // Mike Taylr has created a comprehensive resource for testing these attributes 854 // when applied to all input types: 855 // miketaylr.com/code/input-type-attr.html 856 // spec: www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html#input-type-attr-summary 857 858 // Only input placeholder is tested while textarea's placeholder is not. 859 // Currently Safari 4 and Opera 11 have support only for the input placeholder 860 // Both tests are available in feature-detects/forms-placeholder.js 861 Modernizr['input'] = (function( props ) { 862 for ( var i = 0, len = props.length; i < len; i++ ) { 863 attrs[ props[i] ] = !!(props[i] in inputElem); 864 } 865 if (attrs.list){ 866 // safari false positive's on datalist: webk.it/74252 867 // see also github.com/Modernizr/Modernizr/issues/146 868 attrs.list = !!(document.createElement('datalist') && window.HTMLDataListElement); 869 } 870 return attrs; 871 })('autocomplete autofocus list placeholder max min multiple pattern required step'.split(' ')); 872 /*>>input*/ 873 874 /*>>inputtypes*/ 875 // Run through HTML5's new input types to see if the UA understands any. 876 // This is put behind the tests runloop because it doesn't return a 877 // true/false like all the other tests; instead, it returns an object 878 // containing each input type with its corresponding true/false value 879 880 // Big thanks to @miketaylr for the html5 forms expertise. miketaylr.com/ 881 Modernizr['inputtypes'] = (function(props) { 882 883 for ( var i = 0, bool, inputElemType, defaultView, len = props.length; i < len; i++ ) { 884 885 inputElem.setAttribute('type', inputElemType = props[i]); 886 bool = inputElem.type !== 'text'; 887 888 // We first check to see if the type we give it sticks.. 889 // If the type does, we feed it a textual value, which shouldn't be val
889id. 890 // If the value doesn't stick, we know there's input sanitization which infers a custom UI 891 if ( bool ) { 892 893 inputElem.value = smile; 894 inputElem.style.cssText = 'position:absolute;visibility:hidden;'; 895 896 if ( /^range$/.test(inputElemType) && inputElem.style.WebkitAppearance !== undefined ) { 897 898 docElement.appendChild(inputElem); 899 defaultView = document.defaultView; 900 901 // Safari 2-4 allows the smiley as a value, despite making a slider 902 bool = defaultView.getComputedStyle && 903 defaultView.getComputedStyle(inputElem, null).WebkitAppearance !== 'textfield' && 904 // Mobile android web browser has false positive, so must 905 // check the height to see if the widget is actually there. 906 (inputElem.offsetHeight !== 0); 907 908 docElement.removeChild(inputElem); 909 910 } else if ( /^(search|tel)$/.test(inputElemType) ){ 911 // Spec doesn't define any special parsing or detectable UI 912 // behaviors so we pass these through as true 913 914 // Interestingly, opera fails the earlier test, so it doesn't 915 // even make it here. 916 917 } else if ( /^(url|email)$/.test(inputElemType) ) { 918 // Real url and email support comes with prebaked validation. 919 bool = inputElem.checkValidity && inputElem.checkValidity() === false; 920 921 } else { 922 // If the upgraded input compontent rejects the :) text, we got a winner 923 bool = inputElem.value != smile; 924 } 925 } 926 927 inputs[ props[i] ] = !!bool; 928 } 929 return inputs; 930 })('search tel url email datetime date month week time datetime-local number range color'.split(' ')); 931 /*>>inputtypes*/ 932 } 933 /*>>webforms*/ 934 935 936 // End of test definitions 937 // ----------------------- 938 939 940 941 // Run through all tests and detect their support in the current UA. 942 // todo: hypothetically we could be doing an array of tests and use a basic loop here. 943 for ( var feature in tests ) { 944 if ( hasOwnProp(tests, feature) ) { 945 // run the test, throw the return value into the Modernizr, 946 // then based on that boolean, define an appropriate className 947 // and push it into an array of classes we'll join later. 948 featureName = feature.toLowerCase(); 949 Modernizr[featureName] = tests[feature](); 950 951 classes.push((Modernizr[featureName] ? '' : 'no-') + featureName); 952 } 953 } 954 955 /*>>webforms*/ 956 // input tests need to run. 957 Modernizr.input || webforms(); 958 /*>>webforms*/ 959 960 961 /** 962 * addTest allows the user to define their own feature tests 963 * the result will be added onto the Modernizr object, 964 * as well as an appropriate className set on the html element 965 * 966 * @param feature - String naming the feature 967 * @param test - Function returning true if feature is supported, false if not 968 */ 969 Modernizr.addTest = function ( feature, test ) { 970 if ( typeof feature == 'object' ) { 971 for ( var key in feature ) { 972 if ( hasOwnProp( feature, key ) ) { 973 Modernizr.addTest( key, feature[ key ] ); 974 } 975 } 976 } else { 977 978 feature = feature.toLowerCase(); 979 980 if ( Modernizr[feature] !== undefined ) { 981 // we're going to quit if you're trying to overwrite an existing test 982 // if we were to allow it, we'd do this: 983 // var re = new RegExp("\\b(no-)?" + feature + "\\b"); 984 // docElement.className = docElement.className.replace( re, '' ); 985 // but, no rly, stuff 'em. 986 return Modernizr; 987 } 988 989 test = typeof test == 'function' ? test() : test; 990 991 if (typeof enableClasses !== "undefined" && enableClasses) { 992 docElement.className += ' ' + (test ? '' : 'no-') + feature; 993 } 994 Modernizr[feature] = test; 995 996 } 997 998 return Modernizr; // allow chaining. 999 }; 1000 1001 1002 // Reset modElem.cssText to nothing to reduce memory footprint. 1003 setCss(''); 1004 modElem = inputElem = null; 1005 1006 /*>>shiv*/ 1007 /*! HTML5 Shiv v3.6.1 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed */ 1008 ;(function(window, document) { 1009 /*jshint evil:true */ 1010 /** Preset options */ 1011 var options = window.html5 || {}; 1012 1013 /** Used to skip problem elements */ 1014 var reSkip = /^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i; 1015 1016 /** Not all elements can be cloned in IE **/ 1017 var saveClones = /^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i; 1018 1019 /** Detect whether the browser supports default html5 styles */ 1020 var supportsHtml5Styles; 1021 1022 /** Name of the expando, to work with multiple documents or to re-shiv one document */ 1023 var expando = '_html5shiv'; 1024 1025 /** The id for the the documents expando */ 1026 var expanID = 0; 1027 1028 /** Cached data for each document */ 1029 var expandoData = {}; 1030 1031 /** Detect whether the browser supports unknown elements */ 1032 var supportsUnknownElements; 1033 1034 (function() { 1035 try { 1036 var a = document.createElement('a'); 1037 a.innerHTML = '<xyz></xyz>'; 1038 //if the hidden property is implemented we can assume, that the browser supports basic HTML5 Styles 1039 supportsHtml5Styles = ('hidden' in a); 1040 1041 supportsUnknownElements = a.childNodes.length == 1 || (function() { 1042 // assign a false positive if unable to shiv 1043 (document.createElement)('a'); 1044 var frag = document.createDocumentFragment(); 1045 return ( 1046 typeof frag.cloneNode == 'undefined' || 1047 typeof frag.createDocumentFragment == 'undefined' || 1048 typeof frag.createElement == 'undefined' 1049 ); 1050 }()); 1051 } catch(e) { 1052 supportsHtml5Styles = true; 1053 supportsUnknownElements = true; 1054 } 1055 1056 }()); 1057 1058 /*--------------------------------------------------------------------------*/ 1059 1060 /** 1061 * Creates a style sheet with the given CSS text and adds it to the document. 1062 * @private 1063 * @param {Document} ownerDocument The document. 1064 * @param {String} cssText The CSS text. 1065 * @returns {StyleSheet} The style element. 1066 */ 1067 function addStyleSheet(ownerDocument, cssText) { 1068 var p = ownerDocument.createElement('p'), 1069 parent = ownerDocument.getElementsByTagName('head')[0] || ownerDocument.documentElement; 1070 1071 p.innerHTML = 'x<style>' + cssText + '</style>'; 1072 return parent.insertBefore(p.lastChild, parent.firstChild); 1073 } 1074 1075 /** 1076 * Returns the value of `html5.elements` as an array.
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1077 * @private 1078 * @returns {Array} An array of shived element node names. 1079 */ 1080 function getElements() { 1081 var elements = html5.elements; 1082 return typeof elements == 'string' ? elements.split(' ') : elements; 1083 } 1084 1085 /** 1086 * Returns the data associated to the given document 1087 * @private 1088 * @param {Document} ownerDocument The document. 1089 * @returns {Object} An object of data. 1090 */ 1091 function getExpandoData(ownerDocument) { 1092 var data = expandoData[ownerDocument[expando]]; 1093 if (!data) { 1094 data = {}; 1095 expanID++; 1096 ownerDocument[expando] = expanID; 1097 expandoData[expanID] = data; 1098 } 1099 return data; 1100 } 1101 1102 /** 1103 * returns a shived element for the given nodeName and document 1104 * @memberOf html5 1105 * @param {String} nodeName name of the element 1106 * @param {Document} ownerDocument The context document. 1107 * @returns {Object} The shived element. 1108 */ 1109 function createElement(nodeName, ownerDocument, data){ 1110 if (!ownerDocument) { 1111 ownerDocument = document; 1112 } 1113 if(supportsUnknownElements){ 1114 return ownerDocument.createElement(nodeName); 1115 } 1116 if (!data) { 1117 data = getExpandoData(ownerDocument); 1118 } 1119 var node; 1120 1121 if (data.cache[nodeName]) { 1122 node = data.cache[nodeName].cloneNode(); 1123 } else if (saveClones.test(nodeName)) { 1124 node = (data.cache[nodeName] = data.createElem(nodeName)).cloneNode(); 1125 } else { 1126 node = data.createElem(nodeName); 1127 } 1128 1129 // Avoid adding some elements to fragments in IE < 9 because 1130 // * Attributes like `name` or `type` cannot be set/changed once an element 1131 // is inserted into a document/fragment 1132 // * Link elements with `src` attributes that are inaccessible, as with 1133 // a 403 response, will cause the tab/window to crash 1134 // * Script elements appended to fragments will execute when their `src` 1135 // or `text` property is set 1136 return node.canHaveChildren && !reSkip.test(nodeName) ? data.frag.appendChild(node) : node; 1137 } 1138 1139 /** 1140 * returns a shived DocumentFragment for the given document 1141 * @memberOf html5 1142 * @param {Document} ownerDocument The context document. 1143 * @returns {Object} The shived DocumentFragment. 1144 */ 1145 function createDocumentFragment(ownerDocument, data){ 1146 if (!ownerDocument) { 1147 ownerDocument = document; 1148 } 1149 if(supportsUnknownElements){ 1150 return ownerDocument.createDocumentFragment(); 1151 } 1152 data = data || getExpandoData(ownerDocument); 1153 var clone = data.frag.cloneNode(), 1154 i = 0, 1155 elems = getElements(), 1156 l = elems.length; 1157 for(;i<l;i++){ 1158 clone.createElement(elems[i]); 1159 } 1160 return clone; 1161 } 1162 1163 /** 1164 * Shivs the `createElement` and `createDocumentFragment` methods of the document. 1165 * @private 1166 * @param {Document|DocumentFragment} ownerDocument The document. 1167 * @param {Object} data of the document. 1168 */ 1169 function shivMethods(ownerDocument, data) { 1170 if (!data.cache) { 1171 data.cache = {}; 1172 data.createElem = ownerDocument.createElement; 1173 data.createFrag = ownerDocument.createDocumentFragment; 1174 data.frag = data.createFrag(); 1175 } 1176 1177 1178 ownerDocument.createElement = function(nodeName) { 1179 //abort shiv 1180 if (!html5.shivMethods) { 1181 return data.createElem(nodeName); 1182 } 1183 return createElement(nodeName, ownerDocument, data); 1184 }; 1185 1186 ownerDocument.createDocumentFragment = Function('h,f', 'return function(){' + 1187 'var n=f.cloneNode(),c=n.createElement;' + 1188 'h.shivMethods&&(' + 1189 // unroll the `createElement` calls 1190 getElements().join().replace(/\w+/g, function(nodeName) { 1191 data.createElem(nodeName); 1192 data.frag.createElement(nodeName); 1193 return 'c("' + nodeName + '")'; 1194 }) + 1195 ');return n}' 1196 )(html5, data.frag); 1197 } 1198 1199 /*--------------------------------------------------------------------------*/ 1200 1201 /** 1202 * Shivs the given document. 1203 * @memberOf html5 1204 * @param {Document} ownerDocument The document to shiv. 1205 * @returns {Document} The shived document. 1206 */ 1207 function shivDocument(ownerDocument) { 1208 if (!ownerDocument) { 1209 ownerDocument = document; 1210 } 1211 var data = getExpandoData(ownerDocument); 1212 1213 if (html5.shivCSS && !supportsHtml5Styles && !data.hasCSS) { 1214 data.hasCSS = !!addStyleSheet(ownerDocument, 1215 // corrects block display not defined in IE6/7/8/9 1216 'article,aside,figcaption,figure,footer,header,hgroup,nav,section{dis
1216play:block}' + 1217 // adds styling not present in IE6/7/8/9 1218 'mark{background:#FF0;color:#000}' 1219 ); 1220 } 1221 if (!supportsUnknownElements) { 1222 shivMethods(ownerDocument, data); 1223 } 1224 return ownerDocument; 1225 } 1226 1227 /*--------------------------------------------------------------------------*/ 1228 1229 /** 1230 * The `html5` object is exposed so that more elements can be shived and 1231 * existing shiving can be detected on iframes. 1232 * @type Object 1233 * @example 1234 * 1235 * // options can be changed before the script is included 1236 * html5 = { 'elements': 'mark section', 'shivCSS': false, 'shivMethods': false }; 1237 */ 1238 var html5 = { 1239 1240 /** 1241 * An array or space separated string of node names of the elements to shiv. 1242 * @memberOf html5 1243 * @type Array|String 1244 */ 1245 'elements': options.elements || 'abbr article aside audio bdi canvas data datalist details figcaption figure footer header hgroup mark meter nav output progress section summary time video', 1246 1247 /** 1248 * A flag to indicate that the HTML5 style sheet should be inserted. 1249 * @memberOf html5 1250 * @type Boolean 1251 */ 1252 'shivCSS': (options.shivCSS !== false), 1253 1254 /** 1255 * Is equal to true if a browser supports creating unknown/HTML5 elements 1256 * @memberOf html5 1257 * @type boolean 1258 */ 1259 'supportsUnknownElements': supportsUnknownElements, 1260 1261 /** 1262 * A flag to indicate that the document's `createElement` and `createDocumentFragment` 1263 * methods should be overwritten. 1264 * @memberOf html5 1265 * @type Boolean 1266 */ 1267 'shivMethods': (options.shivMethods !== false), 1268 1269 /** 1270 * A string to describe the type of `html5` object ("default" or "default print"). 1271 * @memberOf html5
1272 * @type String 1273 */ 1274 'type': 'default', 1275 1276 // shivs the document according to the specified `html5` object options 1277 'shivDocument': shivDocument, 1278 1279 //creates a shived element 1280 createElement: createElement, 1281 1282 //creates a shived documentFragment 1283 createDocumentFragment: createDocumentFragment 1284 }; 1285 1286 /*--------------------------------------------------------------------------*/ 1287 1288 // expose html5 1289 window.html5 = html5; 1290 1291 // shiv the document 1292 shivDocument(document); 1293 1294 }(this, document)); 1295 /*>>shiv*/ 1296 1297 // Assign private properties to the return object with prefix 1298 Modernizr._version = version; 1299 1300 // expose these for the plugin API. Look in the source for how to join() them against your input 1301 /*>>prefixes*/ 1302 Modernizr._prefixes = prefixes; 1303 /*>>prefixes*/ 1304 /*>>domprefixes*/ 1305 Modernizr._domPrefixes = domPrefixes; 1306 Modernizr._cssomPrefixes = cssomPrefixes; 1307 /*>>domprefixes*/ 1308 1309 /*>>mq*/ 1310 // Modernizr.mq tests a given media query, live against the current state of the window 1311 // A few important notes: 1312 // * If a browser does not support media queries at all (eg. oldIE) the mq() will always return false 1313 // * A max-width or orientation query will be evaluated against the current state, which may change later. 1314 // * You must specify values. Eg. If you are testing support for the min-width media query use: 1315 // Modernizr.mq('(min-width:0)') 1316 // usage: 1317 // Modernizr.mq('only screen and (max-width:768)') 1318 Modernizr.mq = testMediaQuery; 1319 /*>>mq*/ 1320 1321 /*>>hasevent*/ 1322 // Modernizr.hasEvent() detects support for a given event, with an optional element to test on 1323 // Modernizr.hasEvent('gesturestart', elem) 1324 Modernizr.hasEvent = isEventSupported; 1325 /*>>hasevent*/ 1326 1327 /*>>testprop*/ 1328 // Modernizr.testProp() investigates whether a given style property is recognized 1329 // Note that the property names must be provided in the camelCase variant. 1330 // Modernizr.testProp('pointerEvents') 1331 Modernizr.testProp = function(prop){ 1332 return testProps([prop]); 1333 }; 1334 /*>>testprop*/ 1335 1336 /*>>testallprops*/ 1337 // Modernizr.testAllProps() investigates whether a given style property, 1338 // or any of its vendor-prefixed variants, is recognized 1339 // Note that the property names must be provided in the camelCase variant. 1340 // Modernizr.testAllProps('boxSizing') 1341 Modernizr.testAllProps = testPropsAll; 1342 /*>>testallprops*/ 1343 1344 1345 /*>>teststyles*/ 1346 // Modernizr.testStyles() allows you to add custom styles to the document and test an element afterwards 1347 // Modernizr.testStyles('#modernizr { position:absolute }', function(elem, rule){ ... }) 1348 Modernizr.testStyles = injectElementWithStyles; 1349 /*>>teststyles*/ 1350 1351 1352 /*>>prefixed*/ 1353 // Modernizr.prefixed() returns the prefixed or nonprefixed property name variant of your input 1354 // Modernizr.prefixed('boxSizing') // 'MozBoxSizing' 1355 1356 // Properties must be passed as dom-style camelcase, rather than `box-sizing` hypentated style. 1357 // Return values will also be the camelCase variant, if you need to translate that to hypenated style use: 1358 // 1359 // str.replace(/([A-Z])/g, function(str,m1){ return '-' + m1.toLowerCase(); }).replace(/^ms-/,'-ms-'); 1360 1361 // If you're trying to ascertain which transition end event to bind to, you might do something like... 1362 // 1363 // var transEndEventNames = { 1364 // 'WebkitTransition' : 'webkitTransitionEnd', 1365 // 'MozTransition' : 'transitionend', 1366 // 'OTransition' : 'oTransitionEnd', 1367 // 'msTransition' : 'MSTransitionEnd', 1368 // 'transition' : 'transitionend' 1369 // }, 1370 // transEndEventName = transEndEventNames[ Modernizr.prefixed('transition') ]; 1371 1372 Modernizr.prefixed = function(prop, obj, elem){ 1373 if(!obj) { 1374 return testPropsAll(prop, 'pfx'); 1375 } else { 1376 // Testing DOM property e.g. Modernizr.prefixed('requestAnimationFrame', window) // 'mozRequestAnimationFrame' 1377 return testPropsAll(prop, obj, elem); 1378 } 1379 }; 1380 /*>>prefixed*/ 1381 1382 1383 /*>>cssclasses*/ 1384 // Remove "no-js" class from <html> element, if it exists: 1385 docElement.className = docElement.className.replace(/(^|\s)no-js(\s|$)/, '$1$2') + 1386 1387 // Add the new classes to the <html> element. 1388 (enableClasses ? ' js ' + classes.join(' ') : ''); 1389 /*>>cssclasses*/ 1390 1391 return Modernizr; 1392 1393})(this, this.document);
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