vendor: 9,193 bytes, lines 1-280
1/*! 2 * Modernizr v2.5.3 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 = '2.5.3', 28 29 Modernizr = {}, 30 31 // option for enabling the HTML classes to be added 32 enableClasses = true, 33 34 docElement = document.documentElement, 35 36 /** 37 * Create our "modernizr" element that we do most feature tests on. 38 */ 39 mod = 'modernizr', 40 modElem = document.createElement(mod), 41 mStyle = modElem.style, 42 43 /** 44 * Create the input element for various Web Forms feature tests. 45 */ 46 inputElem = document.createElement('input'), 47 48 smile = ':)', 49 50 toString = {}.toString, 51 52 // List of property values to set for css tests. See ticket #21 53 prefixes = ' -webkit- -moz- -o- -ms- '.split(' '), 54 55 // Following spec is to expose vendor-specific style properties as: 56 // elem.style.WebkitBorderRadius 57 // and the following would be incorrect: 58 // elem.style.webkitBorderRadius 59 60 // Webkit ghosts their properties in lowercase but Opera & Moz do not. 61 // Microsoft uses a lowercase `ms` instead of the correct `Ms` in IE8+ 62 // erik.eae.net/archives/2008/03/10/21.48.10/ 63 64 // More here: github.com/Modernizr/Modernizr/issues/issue/21 65 omPrefixes = 'Webkit Moz O ms', 66 67 cssomPrefixes = omPrefixes.split(' '), 68 69 domPrefixes = omPrefixes.toLowerCase().split(' '), 70 71 ns = {'svg': 'http://www.w3.org/2000/svg'}, 72 73 tests = {}, 74 inputs = {}, 75 attrs = {}, 76 77 classes = [], 78 79 slice = classes.slice, 80 81 featureName, // used in testing loop 82 83 84 // Inject element with style element and some CSS rules 85 injectElementWithStyles = function( rule, callback, nodes, testnames ) { 86 87 var style, ret, node, 88 div = document.createElement('div'), 89 // After page load injecting a fake body doesn't work so check if body exists 90 body = document.body, 91 // IE6 and 7 won't return offsetWidth or offsetHeight unless it's in the body element, so we fake it. 92 fakeBody = body ? body : document.createElement('body'); 93 94 if ( parseInt(nodes, 10) ) { 95 // In order not to give false positives we create a node for each test 96 // This also allows the method to scale for unspecified uses 97 while ( nodes-- ) { 98 node = document.createElement('div'); 99 node.id = testnames ? testnames[nodes] : mod + (nodes + 1); 100 div.appendChild(node); 101 } 102 } 103 104 // <style> elements in IE6-9 are considered 'NoScope' elements and therefore will be removed 105 // when injected with innerHTML. To get around this you need to prepend the 'NoScope' element 106 // with a 'scoped' element, in our case the soft-hyphen entity as it won't mess with our measurements. 107 // msdn.microsoft.com/en-us/library/ms533897%28VS.85%29.aspx 108 // Documents served as xml will throw if using ­ so use xml friendly encoded version. See issue #277 109 style = ['­','<style>', rule, '</style>'].join(''); 110 div.id = mod; 111 // IE6 will false positive on some tests due to the style element inside the test div somehow interfering offsetHeight, so insert it into body or fakebody. 112 // Opera will act all quirky when injecting elements in documentElement when page is served as xml, needs fakebody too. #270 113 fakeBody.innerHTML += style; 114 fakeBody.appendChild(div); 115 if(!body){ 116 //avoid crashing IE8, if background image is used 117 fakeBody.style.background = ""; 118 docElement.appendChild(fakeBody); 119 } 120 121 ret = callback(div, rule); 122 // If this is done after page load we don't want to remove the body so check if body exists 123 !body ? fakeBody.parentNode.removeChild(fakeBody) : div.parentNode.removeChild(div); 124 125 return !!ret; 126 127 }, 128 129 130 // adapted from matchMedia polyfill 131 // by Scott Jehl and Paul Irish 132 // gist.github.com/786768 133 testMediaQuery = function( mq ) { 134 135 var matchMedia = window.matchMedia || window.msMatchMedia; 136 if ( matchMedia ) { 137 return matchMedia(mq).matches; 138 } 139 140 var bool; 141 142 injectElementWithStyles('@media ' + mq + ' { #' + mod + ' { position: absolute; } }', function( node ) { 143 bool = (window.getComputedStyle ? 144 getComputedStyle(node, null) : 145 node.currentStyle)['position'] == 'absolute'; 146 }); 147 148 return bool; 149 150 }, 151 152 153 /** 154 * isEventSupported determines if a given element supports the given event 155 * function from yura.thinkweb2.com/isEventSupported/ 156 */ 157 isEventSupported = (function() { 158 159 var TAGNAMES = { 160 'select': 'input', 'change': 'input', 161 'submit': 'form', 'reset': 'form', 162 'error': 'img', 'load': 'img', 'abort': 'img' 163 }; 164 165 function isEventSupported( eventName, element ) { 166 167 element = element || document.createElement(TAGNAMES[eventName] || 'div'); 168 eventName = 'on' + eventName; 169 170 // When using `setAttribute`, IE skips "unload", WebKit skips "unload" and "resize", whereas `in` "catches" those 171 var isSupported = eventName in element; 172 173 if ( !isSupported ) { 174 // If it has no `setAttribute` (i.e. doesn't implement Node interface), try generic element 175 if ( !element.setAttribute ) { 176 element = document.createElement('div'); 177 } 178 if ( element.setAttribute && element.removeAttribute ) { 179 element.setAttribute(eventName, ''); 180 isSupported = is(element[eventName], 'function'); 181 182 // If property was created, "remove it" (by setting value to `undefined`) 183 if ( !is(element[eventName], 'undefined') ) { 184 element[eventName] = undefined; 185 } 186 element.removeAttribute(eventName); 187 } 188 } 189 190 element = null; 191 return isSupported; 192 } 193 return isEventSupported; 194 })(); 195 196 // hasOwnProperty shim by kangax needed for Safari 2.0 support 197 var _hasOwnProperty = ({}).hasOwnProperty, hasOwnProperty; 198 if ( !is(_hasOwnProperty, 'undefined') && !is(_hasOwnProperty.call, 'undefined') ) { 199 hasOwnProperty = function (object, property) { 200 return _hasOwnProperty.call(object, property); 201 }; 202 } 203 else { 204 hasOwnProperty = function (object, property) { /* yes, this can give false positives/negatives, but most of the time we don't care about those */ 205 return ((property in object) && is(object.constructor.prototype[property], 'undefined')); 206 }; 207 } 208 209 // Taken from ES5-shim https://github.com/kriskowal/es5-shim/blob/master/es5-shim.js 210 // ES-5 15.3.4.5 211 // http://es5.github.com/#x15.3.4.5 212 213 if (!Function.prototype.bind) { 214 215 Function.prototype.bind = function bind(that) { 216 217 var target = this; 218 219 if (typeof target != "function") { 220 throw new TypeError(); 221 } 222 223 var args = slice.call(arguments, 1), 224 bound = function () { 225 226 if (this instanceof bound) { 227 228 var F = function(){}; 229 F.prototype = target.prototype; 230 var self = new F; 231 232 var result = target.apply( 233 self, 234 args.concat(slice.call(arguments)) 235 ); 236 if (Object(result) === result) { 237 return result; 238 } 239 return self; 240 241 } else { 242 243 return target.apply( 244 that, 245 args.concat(slice.call(arguments)) 246 ); 247 248 } 249 250 }; 251 252 return bound; 253 }; 254 } 255 256 /** 257 * setCss applies given styles to the Modernizr DOM node. 258 */ 259 function setCss( str ) { 260 mStyle.cssText = str; 261 } 262 263 /** 264 * setCssAll extrapolates all vendor-specific css strings. 265 */ 266 function setCssAll( str1, str2 ) { 267 return setCss(prefixes.join(str1 + ';') + ( str2 || '' )); 268 } 269 270 /** 271 * is returns a boolean for if typeof obj is exactly type. 272 */ 273 function is( obj, type ) { 274 return typeof obj === type; 275 } 276 277 /** 278 * contains returns a boolean for if substr is found within str. 279 */ 280 function contains( str, substr ) {
281 return !!~('' + str).indexOf(substr); 282 } 283 284 /** 285 * testProps is a generic CSS / DOM property test; if a browser supports 286 * a certain property, it won't return undefined for it. 287 * A supported CSS property returns empty string when its not yet set. 288 */ 289 function testProps( props, prefixed ) { 290 for ( var i in props ) { 291 if ( mStyle[ props[i] ] !== undefined ) { 292 return prefixed == 'pfx' ? props[i] : true; 293 } 294 } 295 return false; 296 } 297 298 /** 299 * testDOMProps is a generic DOM property test; if a browser supports 300 * a certain property, it won't return undefined for it. 301 */ 302 function testDOMProps( props, obj, elem ) { 303 for ( var i in props ) { 304 var item = obj[props[i]]; 305 if ( item !== undefined) { 306 307 // return the property name as a string 308 if (elem === false) return props[i]; 309 310 // let's bind a function 311 if (is(item, 'function')){ 312 // default to autobind unless override 313 return item.bind(elem || obj); 314 } 315 316 // return the unbound function or obj or value 317 return item; 318 } 319 } 320 return false; 321 } 322 323 /** 324 * testPropsAll tests a list of DOM properties we want to check against. 325 * We specify literally ALL possible (known and/or likely) properties on 326 * the element including the non-vendor prefixed one, for forward- 327 * compatibility. 328 */ 329 function testPropsAll( prop, prefixed, elem ) { 330 331 var ucProp = prop.charAt(0).toUpperCase() + prop.substr(1), 332 props = (prop + ' ' + cssomPrefixes.join(ucProp + ' ') + ucProp).split(' '); 333 334 // did they call .prefixed('boxSizing') or are we just testing a prop? 335 if(is(prefixed, "string") || is(prefixed, "undefined")) { 336 return testProps(props, prefixed); 337 338 // otherwise, they called .prefixed('requestAnimationFrame', window[, elem]) 339 } else { 340 props = (prop + ' ' + (domPrefixes).join(ucProp + ' ') + ucProp).split(' '); 341 return testDOMProps(props, prefixed, elem); 342 } 343 } 344 345 /** 346 * testBundle tests a list of CSS features that require element and style injection. 347 * By bundling them together we can reduce the need to touch the DOM multiple times. 348 */ 349 /*>>testBundle*/ 350 var testBundle = (function( styles, tests ) { 351 var style = styles.join(''), 352 len = tests.length; 353 354 injectElementWithStyles(style, function( node, rule ) { 355 var style = document.styleSheets[document.styleSheets.length - 1], 356 // IE8 will bork if you create a custom build that excludes both fontface and generatedcontent tests. 357 // So we check for cssRules and that there is a rule available 358 // More here: github.com/Modernizr/Modernizr/issues/288 & github.com/Modernizr/Modernizr/issues/293 359 cssText = style ? (style.cssRules && style.cssRules[0] ? style.cssRules[0].cssText : style.cssText || '') : '', 360 children = node.childNodes, hash = {}; 361 362 while ( len-- ) { 363 hash[children[len].id] = children[len]; 364 } 365 366 /*>>touch*/ Modernizr['touch'] = ('ontouchstart' in window) || window.DocumentTouch && document instanceof DocumentTouch || (hash['touch'] && hash['touch'].offsetTop) === 9; /*>>touch*/ 367 /*>>csstransforms3d*/ Modernizr['csstransforms3d'] = (hash['csstransforms3d'] && hash['csstransforms3d'].offsetLeft) === 9 && hash['csstransforms3d'].offsetHeight === 3; /*>>csstransforms3d*/ 368 /*>>generatedcontent*/Modernizr['generatedcontent'] = (hash['generatedcontent'] && hash['generatedcontent'].offsetHeight) >= 1; /*>>generatedcontent*/ 369 /*>>fontface*/ Modernizr['fontface'] = /src/i.test(cssText) && 370 cssText.indexOf(rule.split(' ')[0]) === 0; /*>>fontface*/ 371 }, len, tests); 372 373 })([ 374 // Pass in styles to be injected into document 375 /*>>fontface*/ '@font-face {font-family:"font";src:url("https://")}' /*>>fontface*/ 376 377 /*>>touch*/ ,['@media (',prefixes.join('touch-enabled),('),mod,')', 378 '{#touch{top:9px;position:absolute}}'].join('') /*>>touch*/ 379 380 /*>>csstransforms3d*/ ,['@media (',prefixes.join('transform-3d),('),mod,')', 381 '{#csstransforms3d{left:9px;position:absolute;height:3px;}}'].join('')/*>>csstransforms3d*/ 382 383 /*>>generatedcontent*/,['#generatedcontent:after{content:"',smile,'";visibility:hidden}'].join('') /*>>generatedcontent*/ 384 ], 385 [ 386 /*>>fontface*/ 'fontface' /*>>fontface*/ 387 /*>>touch*/ ,'touch' /*>>touch*/ 388 /*>>csstransforms3d*/ ,'csstransforms3d' /*>>csstransforms3d*/ 389 /*>>generatedcontent*/,'generatedcontent' /*>>generatedcontent*/ 390 391 ]);/*>>testBundle*/ 392 393 394 /** 395 * Tests 396 * ----- 397 */ 398 399 // The *new* flexbox 400 // dev.w3.org/csswg/css3-flexbox 401 402 tests['flexbox'] = function() { 403 return testPropsAll('flexOrder'); 404 }; 405 406 // The *old* flexbox 407 // www.w3.org/TR/2009/WD-css3-flexbox-20090723/ 408 409 tests['flexbox-legacy'] = function() { 410 return testPropsAll('boxDirection'); 411 }; 412 413 // On the S60 and BB Storm, getContext exists, but always returns undefined 414 // so we actually have to call getContext() to verify 415 // github.com/Modernizr/Modernizr/issues/issue/97/ 416 417 tests['canvas'] = function() { 418 var elem = document.createElement('canvas'); 419 return !!(elem.getContext && elem.getContext('2d')); 420 }; 421 422 tests['canvastext'] = function() { 423 return !!(Modernizr['canvas'] && is(document.createElement('canvas').getContext('2d').fillText, 'function')); 424 }; 425 426 // this test initiates a new webgl context. 427 // webk.it/70117 is tracking a legit feature detect proposal 428 429 tests['webgl'] = function() { 430 try { 431 var canvas = document.createElement('canvas'),
432 ret; 433 ret = !!(window.WebGLRenderingContext && (canvas.getContext('experimental-webgl') || canvas.getContext('webgl'))); 434 canvas = undefined; 435 } catch (e){ 436 ret = false; 437 } 438 return ret; 439 }; 440 441 /* 442 * The Modernizr.touch test only indicates if the browser supports 443 * touch events, which does not necessarily reflect a touchscreen 444 * device, as evidenced by tablets running Windows 7 or, alas, 445 * the Palm Pre / WebOS (touch) phones. 446 * 447 * Additionally, Chrome (desktop) used to lie about its support on this, 448 * but that has since been rectified: crbug.com/36415 449 * 450 * We also test for Firefox 4 Multitouch Support. 451 * 452 * For more info, see: modernizr.github.com/Modernizr/touch.html 453 */ 454 455 tests['touch'] = function() { 456 return Modernizr['touch']; 457 }; 458 459 /** 460 * geolocation tests for the new Geolocation API specification. 461 * This test is a standards compliant-only test; for more complete 462 * testing, including a Google Gears fallback, please see: 463 * code.google.com/p/geo-location-javascript/ 464 * or view a fallback solution using google's geo API: 465 * gist.github.com/366184 466 */ 467 tests['geolocation'] = function() { 468 return !!navigator.geolocation; 469 }; 470 471 // Per 1.6: 472 // This used to be Modernizr.crosswindowmessaging but the longer 473 // name has been deprecated in favor of a shorter and property-matching one. 474 // The old API is still available in 1.6, but as of 2.0 will throw a warning, 475 // and in the first release thereafter disappear entirely. 476 tests['postmessage'] = function() { 477 return !!window.postMessage; 478 }; 479 480 481 // Chrome incognito mode used to throw an exception when using openDatabase 482 // It doesn't anymore. 483 tests['websqldatabase'] = function() { 484 return !!window.openDatabase; 485 }; 486 487 // Vendors had inconsistent prefixing with the experimental Indexed DB: 488 // - Webkit's implementation is accessible through webkitIndexedDB 489 // - Firefox shipped moz_indexedDB before FF4b9, but since then has been mozIndexedDB 490 // For speed, we don't test the legacy (and beta-only) indexedDB 491 tests['indexedDB'] = function() { 492 return !!testPropsAll("indexedDB",window); 493 }; 494 495 // documentMode logic from YUI to filter out IE8 Compat Mode 496 // which false positives. 497 tests['hashchange'] = function() { 498 return isEventSupported('hashchange', window) && (document.documentMode === undefined || document.documentMode > 7); 499 }; 500 501 // Per 1.6: 502 // This used to be Modernizr.historymanagement but the longer 503 // name has been deprecated in favor of a shorter and property-matching one. 504 // The old API is still available in 1.6, but as of 2.0 will throw a warning, 505 // and in the first release thereafter disappear entirely. 506 tests['history'] = function() { 507 return !!(window.history && history.pushState); 508 }; 509 510 tests['draganddrop'] = function() { 511 var div = document.createElement('div'); 512 return ('draggable' in div) || ('ondragstart' in div && 'ondrop' in div); 513 }; 514 515 // FIXME: Once FF10 is sunsetted, we can drop prefixed MozWebSocket 516 // bugzil.la/695635 517 tests['websockets'] = function() { 518 for ( var i = -1, len = cssomPrefixes.length; ++i < len; ){ 519 if ( window[cssomPrefixes[i] + 'WebSocket'] ){ 520 return true; 521 } 522 } 523 return 'WebSocket' in window; 524 }; 525 526 527 // css-tricks.com/rgba-browser-support/ 528 tests['rgba'] = function() { 529 // Set an rgba() color and check the returned value 530 531 setCss('background-color:rgba(150,255,150,.5)'); 532 533 return contains(mStyle.backgroundColor, 'rgba'); 534 }; 535 536 tests['hsla'] = function() { 537 // Same as rgba(), in fact, browsers re-map hsla() to rgba() internally, 538 // except IE9 who retains it as hsla 539 540 setCss('background-color:hsla(120,40%,100%,.5)'); 541 542 return contains(mStyle.backgroundColor, 'rgba') || contains(mStyle.backgroundColor, 'hsla'); 543 }; 544 545 tests['multiplebgs'] = function() { 546 // Setting multiple images AND a color on the background shorthand property 547 // and then querying the style.background property value for the number of 548 // occurrences of "url(" is a reliable method for detecting ACTUAL support for this! 549 550 setCss('background:url(https://),url(https://),red url(https://)'); 551 552 // If the UA supports multiple backgrounds, there should be three occurrences 553 // of the string "url(" in the return value for elemStyle.background 554 555 return /(url\s*\(.*?){3}/.test(mStyle.background); 556 }; 557 558 559 // In testing support for a given CSS property, it's legit to test: 560 // `elem.style[styleName] !== undefined` 561 // If the property is supported it will return an empty string, 562 // if unsupported it will return undefined. 563 564 // We'll take advantage of this quick test and skip setting a style 565 // on our modernizr element, but instead just testing undefined vs 566 // empty string. 567 568 569 tests['backgroundsize'] = function() { 570 return testPropsAll('backgroundSize'); 571 }; 572 573 tests['borderimage'] = function() { 574 return testPropsAll('borderImage'); 575 }; 576 577 578 // Super comprehensive table about all the unique implementations of 579 // border-radius: muddledramblings.com/table-of-css3-border-radius-compliance 580
vendor: 17,931 bytes, lines 581-1046
581 tests['borderradius'] = function() { 582 return testPropsAll('borderRadius'); 583 }; 584 585 // WebOS unfortunately false positives on this test. 586 tests['boxshadow'] = function() { 587 return testPropsAll('boxShadow'); 588 }; 589 590 // FF3.0 will false positive on this test 591 tests['textshadow'] = function() { 592 return document.createElement('div').style.textShadow === ''; 593 }; 594 595 596 tests['opacity'] = function() { 597 // Browsers that actually have CSS Opacity implemented have done so 598 // according to spec, which means their return values are within the 599 // range of [0.0,1.0] - including the leading zero. 600 601 setCssAll('opacity:.55'); 602 603 // The non-literal . in this regex is intentional: 604 // German Chrome returns this value as 0,55 605 // github.com/Modernizr/Modernizr/issues/#issue/59/comment/516632 606 return /^0.55$/.test(mStyle.opacity); 607 }; 608 609 610 // Note, Android < 4 will pass this test, but can only animate 611 // a single property at a time 612 // daneden.me/2011/12/putting-up-with-androids-bullshit/ 613 tests['cssanimations'] = function() { 614 return testPropsAll('animationName'); 615 }; 616 617 618 tests['csscolumns'] = function() { 619 return testPropsAll('columnCount'); 620 }; 621 622 623 tests['cssgradients'] = function() { 624 /** 625 * For CSS Gradients syntax, please see: 626 * webkit.org/blog/175/introducing-css-gradients/ 627 * developer.mozilla.org/en/CSS/-moz-linear-gradient 628 * developer.mozilla.org/en/CSS/-moz-radial-gradient 629 * dev.w3.org/csswg/css3-images/#gradients- 630 */ 631 632 var str1 = 'background-image:', 633 str2 = 'gradient(linear,left top,right bottom,from(#9f9),to(white));', 634 str3 = 'linear-gradient(left top,#9f9, white);'; 635 636 setCss( 637 // legacy webkit syntax (FIXME: remove when syntax not in use anymore) 638 (str1 + '-webkit- '.split(' ').join(str2 + str1) 639 // standard syntax // trailing 'background-image:' 640 + prefixes.join(str3 + str1)).slice(0, -str1.length) 641 ); 642 643 return contains(mStyle.backgroundImage, 'gradient'); 644 }; 645 646 647 tests['cssreflections'] = function() { 648 return testPropsAll('boxReflect'); 649 }; 650 651 652 tests['csstransforms'] = function() { 653 return !!testPropsAll('transform'); 654 }; 655 656 657 tests['csstransforms3d'] = function() { 658 659 var ret = !!testPropsAll('perspective'); 660 661 // Webkit's 3D transforms are passed off to the browser's own graphics renderer. 662 // It works fine in Safari on Leopard and Snow Leopard, but not in Chrome in 663 // some conditions. As a result, Webkit typically recognizes the syntax but 664 // will sometimes throw a false positive, thus we must do a more thorough check: 665 if ( ret && 'webkitPerspective' in docElement.style ) { 666 667 // Webkit allows this media query to succeed only if the feature is enabled. 668 // `@media (transform-3d),(-o-transform-3d),(-moz-transform-3d),(-ms-transform-3d),(-webkit-transform-3d),(modernizr){ ... }` 669 ret = Modernizr['csstransforms3d']; 670 } 671 return ret; 672 }; 673 674 675 tests['csstransitions'] = function() { 676 return testPropsAll('transition'); 677 }; 678 679 680 /*>>fontface*/ 681 // @font-face detection routine by Diego Perini 682 // javascript.nwbox.com/CSSSupport/ 683 684 // false positives in WebOS: github.com/Modernizr/Modernizr/issues/342 685 tests['fontface'] = function() { 686 return Modernizr['fontface']; 687 }; 688 /*>>fontface*/ 689 690 // CSS generated content detection 691 tests['generatedcontent'] = function() { 692 return Modernizr['generatedcontent']; 693 }; 694 695 696 697 // These tests evaluate support of the video/audio elements, as well as 698 // testing what types of content they support. 699 // 700 // We're using the Boolean constructor here, so that we can extend the value 701 // e.g. Modernizr.video // true 702 // Modernizr.video.ogg // 'probably' 703 // 704 // Codec values from : github.com/NielsLeenheer/html5test/blob/9106a8/index.html#L845 705 // thx to NielsLeenheer and zcorpan 706 707 // Note: in some older browsers, "no" was a return value instead of empty string. 708 // It was live in FF3.5.0 and 3.5.1, but fixed in 3.5.2 709 // It was also live in Safari 4.0.0 - 4.0.4, but fixed in 4.0.5 710 711 tests['video'] = function() { 712 var elem = document.createElement('video'), 713 bool = false; 714 715 // IE9 Running on Windows Server SKU can cause an exception to be thrown, bug #224 716 try { 717 if ( bool = !!elem.canPlayType ) { 718 bool = new Boolean(bool); 719 bool.ogg = elem.canPlayType('video/ogg; codecs="theora"') .replace(/^no$/,''); 720 721 bool.h264 = elem.canPlayType('video/mp4; codecs="avc1.42E01E"') .replace(/^no$/,''); 722 723 bool.webm = elem.canPlayType('video/webm; codecs="vp8, vorbis"').replace(/^no$/,''); 724 } 725 726 } catch(e) { } 727 728 return bool; 729 }; 730 731 tests['audio'] = function() { 732 var elem = document.createElement('audio'), 733 bool = false; 734 735 try { 736 if ( bool = !!elem.canPlayType ) { 737 bool = new Boolean(bool); 738 bool.ogg = elem.canPlayType('audio/ogg; codecs="vorbis"').replace(/^no$/,''); 739 bool.mp3 = elem.canPlayType('audio/mpeg;') .replace(/^no$/,''); 740 741 // Mimetypes accepted: 742 // developer.mozilla.org/En/Media_formats_supported_by_the_audio_and_video_elements 743 // bit.ly/iphoneoscodecs 744 bool.wav = elem.canPlayType('audio/wav; codecs="1"') .replace(/^no$/,''); 745 bool.m4a = ( elem.canPlayType('audio/x-m4a;') || 746 elem.canPlayType('audio/aac;')) .replace(/^no$/,''); 747 } 748 } catch(e) { } 749 750 return bool; 751 }; 752 753 754 // In FF4, if disabled, window.localStorage should === null. 755 756 // Normally, we could not test that directly and need to do a 757 // `('localStorage' in window) && ` test first because otherwise Firefox will 758 // throw bugzil.la/365772 if cookies are disabled 759 760 // Also in iOS5 Private Browsing mode, attepting to use localStorage.setItem 761 // will throw the exception: 762 // QUOTA_EXCEEDED_ERRROR DOM Exception 22. 763 // Peculiarly, getItem and removeItem calls do not throw. 764 765 // Because we are forced to try/catch this, we'll go aggressive. 766 767 // Just FWIW: IE8 Compat mode supports these features completely: 768 // www.quirksmode.org/dom/html5.html 769 // But IE8 doesn't support either with local files 770 771 tests['localstorage'] = function() { 772 try { 773 localStorage.setItem(mod, mod); 774 localStorage.removeItem(mod); 775 return true; 776 } catch(e) { 777 return false; 778 } 779 }; 780 781 tests['sessionstorage'] = function() { 782 try { 783 sessionStorage.setItem(mod, mod); 784 sessionStorage.removeItem(mod); 785 return true; 786 } catch(e) { 787 return false; 788 } 789 }; 790 791 792 tests['webworkers'] = function() { 793 return !!window.Worker; 794 }; 795 796 797 tests['applicationcache'] = function() { 798 return !!window.applicationCache; 799 }; 800 801 802 // Thanks to Erik Dahlstrom 803 tests['svg'] = function() { 804 return !!document.createElementNS && !!document.createElementNS(ns.svg, 'svg').createSVGRect; 805 }; 806 807 // specifically for SVG inline in HTML, not within XHTML 808 // test page: paulirish.com/demo/inline-svg 809 tests['inlinesvg'] = function() { 810 var div = document.createElement('div'); 811 div.innerHTML = '<svg/>'; 812 return (div.firstChild && div.firstChild.namespaceURI) == ns.svg; 813 }; 814 815 // SVG SMIL animation 816 tests['smil'] = function() { 817 return !!document.createElementNS && /SVGAnimate/.test(toString.call(document.createElementNS(ns.svg, 'animate'))); 818 }; 819 820 // This test is only for clip paths in SVG proper, not clip paths on HTML content 821 // demo: srufaculty.sru.edu/david.dailey/svg/newstuff/clipPath4.svg 822 823 // However read the comments to dig into applying SVG clippaths to HTML content here: 824 // github.com/Modernizr/Modernizr/issues/213#issuecomment-1149491 825 tests['svgclippaths'] = function() { 826 return !!document.createElementNS && /SVGClipPath/.test(toString.call(document.createElementNS(ns.svg, 'clipPath'))); 827 }; 828 829 // input features and input types go directly onto the ret object, bypassing the tests loop. 830 // Hold this guy to execute in a moment. 831 function webforms() { 832 // Run through HTML5's new input attributes to see if the UA understands any. 833 // We're using f which is the <input> element created early on 834 // Mike Taylr has created a comprehensive resource for testing these attributes 835 // when applied to all input types: 836 // miketaylr.com/code/input-type-attr.html 837 // spec: www.whatwg.org/specs/web-apps/current-work/multipage/the-input-element.html#input-type-attr-summary 838 839 // Only input placeholder is tested while textarea's placeholder is not. 840 // Currently Safari 4 and Opera 11 have support only for the input placeholder 841 // Both tests are available in feature-detects/forms-placeholder.js 842 Modernizr['input'] = (function( props ) { 843 for ( var i = 0, len = props.length; i < len; i++ ) { 844 attrs[ props[i] ] = !!(props[i] in inputElem); 845 } 846 if (attrs.list){ 847 // safari false positive's on datalist: webk.it/74252 848 // see also github.com/Modernizr/Modernizr/issues/146 849 attrs.list = !!(document.createElement('datalist') && window.HTMLDataListElement); 850 } 851 return attrs; 852 })('autocomplete autofocus list placeholder max min multiple pattern required step'.split(' ')); 853 854 // Run through HTML5's new input types to see if the UA understands any. 855 // This is put behind the tests runloop because it doesn't return a 856 // true/false like all the other tests; instead, it returns an object 857 // containing each input type with its corresponding true/false value 858 859 // Big thanks to @miketaylr for the html5 forms expertise. miketaylr.com/ 860 Modernizr['inputtypes'] = (function(props) { 861 862 for ( var i = 0, bool, inputElemType, defaultView, len = props.length; i < len; i++ ) { 863 864 inputElem.setAttribute('type', inputElemType = props[i]); 865 bool = inputElem.type !== 'text'; 866 867 // We first check to see if the type we give it sticks.. 868 // If the type does, we feed it a textual value, which shouldn't be valid. 869 // If the value doesn't stick, we know there's input sanitization which infers a custom UI 870 if ( bool ) { 871 872 inputElem.value = smile; 873 inputElem.style.cssText = 'position:absolute;visibility:hidden;'; 874 875 if ( /^range$/.test(inputElemType) && inputElem.style.WebkitAppearance !== undefined ) { 876 877 docElement.appendChild(inputElem); 878 defaultView = document.defaultView; 879 880 // Safari 2-4 allows the smiley as a value, despite making a slider 881 bool = defaultView.getComputedStyle && 882 defaultView.getComputedStyle(inputElem, null).WebkitAppearance !== 'textfield' && 883 // Mobile android web browser has false positive, so must 884 // check the height to see if the widget is actually there. 885 (inputElem.offsetHeight !== 0); 886 887 docElement.removeChild(inputElem); 888 889 } else if ( /^(search|tel)$/.test(inputElemType) ){ 890 // Spec doesnt define any special parsing or detectable UI 891 // behaviors so we pass these through as true 892 893 // Interestingly, opera fails the earlier test, so it doesn't 894 // even make it here. 895 896 } else if ( /^(url|email)$/.test(inputElemType) ) { 897 // Real url and email support comes with prebaked validation. 898 bool = inputElem.checkValidity && inputElem.checkValidity() === false; 899 900 } else if ( /^color$/.test(inputElemType) ) { 901 // chuck into DOM and force reflow for Opera bug in 11.00 902 // github.com/Modernizr/Modernizr/issues#issue/159 903 docElement.appendChild(inputElem); 904 docElement.offsetWidth; 905 bool = inputElem.value != smile; 906 docElement.removeChild(inputElem); 907 908 } else { 909 // If the upgraded input compontent rejects the :) text, we got a winner 910 bool = inputElem.value != smile; 911 } 912 } 913 914 inputs[ props[i] ] = !!bool; 915 } 916 return inputs; 917 })('search tel url email datetime date month week time datetime-local number range color'.split(' ')); 918 } 919 920 921 // End of test definitions 922 // ----------------------- 923 924 925 926 // Run through all tests and detect their support in the current UA. 927 // todo: hypothetically we could be doing an array of tests and use a basic loop here. 928 for ( var feature in tests ) { 929 if ( hasOwnProperty(tests, feature) ) { 930 // run the test, throw the return value into the Modernizr, 931 // then based on that boolean, define an appropriate className 932 // and push it into an array of classes we'll join later. 933 featureName = feature.toLowerCase(); 934 Modernizr[featureName] = tests[feature](); 935 936 classes.push((Modernizr[featureName] ? '' : 'no-') + featureName); 937 } 938 } 939 940 // input tests need to run. 941 Modernizr.input || webforms(); 942 943 944 /** 945 * addTest allows the user to define their own feature tests 946 * the result will be added onto the Modernizr object, 947 * as well as an appropriate className set on the html element 948 * 949 * @param feature - String naming the feature 950 * @param test - Function returning true if feature is supported, false if not 951 */ 952 Modernizr.addTest = function ( feature, test ) { 953 if ( typeof feature == 'object' ) { 954 for ( var key in feature ) { 955 if ( hasOwnProperty( feature, key ) ) { 956 Modernizr.addTest( key, feature[ key ] ); 957 } 958 } 959 } else { 960 961 feature = feature.toLowerCase(); 962 963 if ( Modernizr[feature] !== undefined ) { 964 // we're going to quit if you're trying to overwrite an existing test 965 // if we were to allow it, we'd do this: 966 // var re = new RegExp("\\b(no-)?" + feature + "\\b"); 967 // docElement.className = docElement.className.replace( re, '' ); 968 // but, no rly, stuff 'em. 969 return Modernizr; 970 } 971 972 test = typeof test == 'function' ? test() : test; 973 974 docElement.className += ' ' + (test ? '' : 'no-') + feature; 975 Modernizr[feature] = test; 976 977 } 978 979 return Modernizr; // allow chaining. 980 }; 981 982 983 // Reset modElem.cssText to nothing to reduce memory footprint. 984 setCss(''); 985 modElem = inputElem = null; 986 987 //>>BEGIN IEPP 988 // Enable HTML 5 elements for styling in IE & add HTML5 css 989 /*! HTML5 Shiv v3.4 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed */ 990 ;(function(window, document) { 991 992 /** Preset options */ 993 var options = window.html5 || {}; 994 995 /** Used to skip problem elements */ 996 var reSkip = /^<|^(?:button|form|map|select|textarea)$/i; 997 998 /** Detect whether the browser supports default html5 styles */ 999 var supportsHtml5Styles; 1000 1001 /** Detect whether the browser supports unknown elements */ 1002 var supportsUnknownElements; 1003 1004 (function() { 1005 var a = document.createElement('a'); 1006 1007 a.innerHTML = '<xyz></xyz>'; 1008 1009 //if the hidden property is implemented we can assume, that the browser supports HTML5 Styles 1010 supportsHtml5Styles = ('hidden' in a); 1011 supportsUnknownElements = a.childNodes.length == 1 || (function() { 1012 // assign a false positive if unable to shiv 1013 try { 1014 (document.createElement)('a'); 1015 } catch(e) { 1016 return true; 1017 } 1018 var frag = document.createDocumentFragment(); 1019 return ( 1020 typeof frag.cloneNode == 'undefined' || 1021 typeof frag.createDocumentFragment == 'undefined' || 1022 typeof frag.createElement == 'undefined' 1023 ); 1024 }()); 1025 1026 }()); 1027 1028 /*--------------------------------------------------------------------------*/ 1029 1030 /** 1031 * Creates a style sheet with the given CSS text and adds it to the document. 1032 * @private 1033 * @param {Document} ownerDocument The document. 1034 * @param {String} cssText The CSS text. 1035 * @returns {StyleSheet} The style element. 1036 */ 1037 function addStyleSheet(ownerDocument, cssText) { 1038 var p = ownerDocument.createElement('p'), 1039 parent = ownerDocument.getElementsByTagName('head')[0] || ownerDocument.documentElement; 1040 1041 p.innerHTML = 'x<style>' + cssText + '</style>'; 1042 return parent.insertBefore(p.lastChild, parent.firstChild); 1043 } 1044 1045 /** 1046 * Returns the value of `html5.elements` as an array.
1047 * @private 1048 * @returns {Array} An array of shived element node names. 1049 */ 1050 function getElements() { 1051 var elements = html5.elements; 1052 return typeof elements == 'string' ? elements.split(' ') : elements; 1053 } 1054 1055 /** 1056 * Shivs the `createElement` and `createDocumentFragment` methods of the document. 1057 * @private 1058 * @param {Document|DocumentFragment} ownerDocument The document. 1059 */ 1060 function shivMethods(ownerDocument) { 1061 var cache = {}, 1062 docCreateElement = ownerDocument.createElement, 1063 docCreateFragment = ownerDocument.createDocumentFragment, 1064 frag = docCreateFragment(); 1065 1066 ownerDocument.createElement = function(nodeName) { 1067 // Avoid adding some elements to fragments in IE < 9 because 1068 // * Attributes like `name` or `type` cannot be set/changed once an element 1069 // is inserted into a document/fragment 1070 // * Link elements with `src` attributes that are inaccessible, as with 1071 // a 403 response, will cause the tab/window to crash 1072 // * Script elements appended to fragments will execute when their `src` 1073 // or `text` property is set 1074 var node = (cache[nodeName] || (cache[nodeName] = docCreateElement(nodeName))).cloneNode(); 1075 return html5.shivMethods && node.canHaveChildren && !reSkip.test(nodeName) ? frag.appendChild(node) : node; 1076 }; 1077 1078 ownerDocument.createDocumentFragment = Function('h,f', 'return function(){' + 1079 'var n=f.cloneNode(),c=n.createElement;' + 1080 'h.shivMethods&&(' + 1081 // unroll the `createElement` calls 1082 getElements().join().replace(/\w+/g, function(nodeName) { 1083 cache[nodeName] = docCreateElement(nodeName); 1084 frag.createElement(nodeName); 1085 return 'c("' + nodeName + '")'; 1086 }) + 1087 ');return n}' 1088 )(html5, frag); 1089 } 1090 1091 /*--------------------------------------------------------------------------*/ 1092 1093 /** 1094 * Shivs the given document. 1095 * @memberOf html5 1096 * @param {Document} ownerDocument The document to shiv. 1097 * @returns {Document} The shived document. 1098 */ 1099 function shivDocument(ownerDocument) { 1100 var shived; 1101 if (ownerDocument.documentShived) { 1102 return ownerDocument; 1103 } 1104 if (html5.shivCSS && !supportsHtml5Styles) { 1105 shived = !!addStyleSheet(ownerDocument, 1106 // corrects block display not defined in IE6/7/8/9 1107 'article,aside,details,figcaption,figure,footer,header,hgroup,nav,section{display:block}' + 1108 // corrects audio display not defined in IE6/7/8/9 1109 'audio{display:none}' + 1110 // corrects canvas and video display not defined in IE6/7/8/9 1111 'canvas,video{display:inline-block;*display:inline;*zoom:1}' + 1112 // corrects 'hidden' attribute and audio[controls] display not present in IE7/8/9 1113 '[hidden]{display:none}audio[controls]{display:inline-block;*display:inline;*zoom:1}' + 1114 // adds styling not present in IE6/7/8/9 1115 'mark{background:#FF0;color:#000}' 1116 ); 1117 } 1118 if (!supportsUnknownElements) { 1119 shived = !shivMethods(ownerDocument); 1120 } 1121 if (shived) { 1122 ownerDocument.documentShived = shived; 1123 } 1124 return ownerDocument; 1125 } 1126 1127 /*--------------------------------------------------------------------------*/ 1128 1129 /** 1130 * The `html5` object is exposed so that more elements can be shived and 1131 * existing shiving can be detected on iframes. 1132 * @type Object 1133 * @example 1134 * 1135 * // options can be changed before the script is included 1136 * html5 = { 'elements': 'mark section', 'shivCSS': false, 'shivMethods': false }; 1137 */ 1138 var html5 = { 1139 1140 /** 1141 * An array or space separated string of node names of the elements to shiv. 1142 * @memberOf html5 1143 * @type Array|String 1144 */ 1145 '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', 1146 1147 /** 1148 * A flag to indicate that the HTML5 style sheet should be inserted. 1149 * @memberOf html5 1150 * @type Boolean 1151 */ 1152 'shivCSS': !(options.shivCSS === false), 1153 1154 /** 1155 * A flag to indicate that the document's `createElement` and `createDocumentFragment`
1156 * methods should be overwritten. 1157 * @memberOf html5 1158 * @type Boolean 1159 */ 1160 'shivMethods': !(options.shivMethods === false), 1161 1162 /** 1163 * A string to describe the type of `html5` object ("default" or "default print"). 1164 * @memberOf html5 1165 * @type String 1166 */ 1167 'type': 'default', 1168 1169 // shivs the document according to the specified `html5` object options 1170 'shivDocument': shivDocument 1171 }; 1172 1173 /*--------------------------------------------------------------------------*/ 1174 1175 // expose html5 1176 window.html5 = html5; 1177 1178 // shiv the document 1179 shivDocument(document); 1180 1181 }(this, document)); 1182 1183 //>>END IEPP 1184 1185 // Assign private properties to the return object with prefix 1186 Modernizr._version = version; 1187 1188 // expose these for the plugin API. Look in the source for how to join() them against your input 1189 Modernizr._prefixes = prefixes; 1190 Modernizr._domPrefixes = domPrefixes; 1191 Modernizr._cssomPrefixes = cssomPrefixes; 1192 1193 // Modernizr.mq tests a given media query, live against the current state of the window 1194 // A few important notes: 1195 // * If a browser does not support media queries at all (eg. oldIE) the mq() will always return false 1196 // * A max-width or orientation query will be evaluated against the current state, which may change later. 1197 // * You must specify values. Eg. If you are testing support for the min-width media query use: 1198 // Modernizr.mq('(min-width:0)') 1199 // usage: 1200 // Modernizr.mq('only screen and (max-width:768)') 1201 Modernizr.mq = testMediaQuery; 1202 1203 // Modernizr.hasEvent() detects support for a given event, with an optional element to test on 1204 // Modernizr.hasEvent('gesturestart', elem) 1205 Modernizr.hasEvent = isEventSupported; 1206 1207 // Modernizr.testProp() investigates whether a given style property is recognized 1208 // Note that the property names must be provided in the camelCase variant. 1209 // Modernizr.testProp('pointerEvents') 1210 Modernizr.testProp = function(prop){ 1211 return testProps([prop]); 1212 }; 1213 1214 // Modernizr.testAllProps() investigates whether a given style property, 1215 // or any of its vendor-prefixed variants, is recognized 1216 // Note that the property names must be provided in the camelCase variant. 1217 // Modernizr.testAllProps('boxSizing') 1218 Modernizr.testAllProps = testPropsAll; 1219 1220 1221 1222 // Modernizr.testStyles() allows you to add custom styles to the document and test an element afterwards 1223 // Modernizr.testStyles('#modernizr { position:absolute }', function(elem, rule){ ... }) 1224 Modernizr.testStyles = injectElementWithStyles; 1225 1226 1227 // Modernizr.prefixed() returns the prefixed or nonprefixed property name variant of your input 1228 // Modernizr.prefixed('boxSizing') // 'MozBoxSizing' 1229 1230 // Properties must be passed as dom-style camelcase, rather than `box-sizing` hypentated style. 1231 // Return values will also be the camelCase variant, if you need to translate that to hypenated style use: 1232 // 1233 // str.replace(/([A-Z])/g, function(str,m1){ return '-' + m1.toLowerCase(); }).replace(/^ms-/,'-ms-'); 1234 1235 // If you're trying to ascertain which transition end event to bind to, you might do something like... 1236 // 1237 // var transEndEventNames = { 1238 // 'WebkitTransition' : 'webkitTransitionEnd', 1239 // 'MozTransition' : 'transitionend', 1240 // 'OTransition' : 'oTransitionEnd', 1241 // 'msTransition' : 'MsTransitionEnd', 1242 // 'transition' : 'transitionend' 1243 // }, 1244 // transEndEventName = transEndEventNames[ Modernizr.prefixed('transition') ]; 1245 1246 Modernizr.prefixed = function(prop, obj, elem){ 1247 if(!obj) { 1248 return testPropsAll(prop, 'pfx'); 1249 } else { 1250 // Testing DOM property e.g. Modernizr.prefixed('requestAnimationFrame', window) // 'mozRequestAnimationFrame' 1251 return testPropsAll(prop, obj, elem); 1252 } 1253 }; 1254 1255 1256 1257 // Remove "no-js" class from <html> element, if it exists: 1258 docElement.className = docElement.className.replace(/(^|\s)no-js(\s|$)/, '$1$2') + 1259 1260 // Add the new classes to the <html> element. 1261 (enableClasses ? ' js ' + classes.join(' ') : ''); 1262 1263 return Modernizr; 1264 1265})(this, this.document);
Line numbers count LF bytes from the start of the resource, as the search results do. Vendor segments are library code the classifier recognised; they are stored but not indexed. Bytes are shown as Latin1 characters, one per byte.