1/*jshint undef: true */ 2/*global jQuery: true */ 3 4/* 5 -------------------------------- 6 Infinite Scroll 7 -------------------------------- 8 + https://github.com/paulirish/infinite-scroll 9 + version 2.0b2.120519 10 + Copyright 2011/12 Paul Irish & Luke Shumard 11 + Licensed under the MIT license 12 13 + Documentation: http://infinite-scroll.com/ 14*/ 15 16(function (window, $, undefined) { 17 "use strict"; 18 19 $.infinitescroll = function infscr(options, callback, element) { 20 this.element = $(element); 21 22 // Flag the object in the event of a failed creation 23 if (!this._create(options, callback)) { 24 this.failed = true; 25 } 26 }; 27 28 $.infinitescroll.defaults = { 29 loading: { 30 finished: undefined, 31 finishedMsg: "<em>No more posts.</em>", 32 img: "data:image/gif;base64,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", 33 msg: null, 34 msgText: "<em>Loading more posts...</em>", 35 selector: null, 36 speed: 'fast', 37 start: undefined 38 }, 39 state: { 40 isDuringAjax: false, 41 isInvalidPage: false,
42 isDestroyed: false, 43 isDone: false, // For when it goes all the way through the archive. 44 isPaused: false, 45 isBeyondMaxPage: false, 46 currPage: 1 47 }, 48 debug: false, 49 behavior: undefined, 50 binder: $(window), // used to cache the selector 51 nextSelector: "div.navigation a:first", 52 navSelector: "div.navigation", 53 contentSelector: null, // rename to pageFragment 54 extraScrollPx: 150, 55 itemSelector: "div.post", 56 animate: false, 57 pathParse: undefined, 58 dataType: 'html', 59 appendCallback: true, 60 bufferPx: 40, 61 errorCallback: function () { }, 62 infid: 0, //Instance ID 63 pixelsFromNavToBottom: undefined, 64 path: undefined, // Either parts of a URL as an array (e.g. ["/page/", "/"] or a function that takes in the page number and returns a URL 65 prefill: false, // When the document is smaller than the window, load data until the document is larger or links are exhausted 66 maxPage: undefined // to manually control maximum page (when maxPage is undefined, maximum page limitation is not work) 67 }; 68 69 $.infinitescroll.prototype = { 70 71 /* 72 ---------------------------- 73 Private methods 74 ---------------------------- 75 */ 76 77 // Bind or unbind from scroll 78 _binding: function infscr_binding(binding) { 79 80 var instance = this, 81 opts = instance.options; 82 83 opts.v = '2.0b2.120520'; 84 85 // if behavior is defined and this function is extended, call that instead of default 86 if (!!opts.behavior && this['_binding_'+opts.behavior] !== undefined) { 87 this['_binding_'+opts.behavior].call(this); 88 return; 89 } 90 91 if (binding !== 'bind' && binding !== 'unbind') { 92 this._debug('Binding value ' + binding + ' not valid'); 93 return false; 94 } 95 96 if (binding === 'unbind') { 97 (this.options.binder).unbind('smartscroll.infscr.' + instance.options.infid); 98 } else { 99 (this.options.binder)[binding]('smartscroll.infscr.' + instance.options.infid, function () { 100 instance.scroll(); 101 }); 102 } 103 104 this._debug('Binding', binding); 105 }, 106 107 // Fundamental aspects of the plugin are initialized 108 _create: function infscr_create(options, callback) { 109 110 // Add custom options to defaults 111 var opts = $.extend(true, {}, $.infinitescroll.defaults, options); 112 this.options = opts; 113 var $window = $(window); 114 var instance = this; 115 116 // Validate selectors 117 if (!instance._validate(options)) { 118 return false; 119 } 120 121 // Validate page fragment path 122 var path = $(opts.nextSelector).attr('href'); 123 if (!path) { 124 this._debug('Navigation selector not found'); 125 return false; 126 } 127 128 // Set the path to be a relative URL from root. 129 opts.path = opts.path || this._determinepath(path); 130 131 // contentSelector is 'page fragment' option for .load() / .ajax() calls 132 opts.contentSelector = opts.contentSelector || this.element; 133 134 // loading.selector - if we want to place the load message in a specific selector, defaulted to the contentSelector 135 opts.loading.selector = opts.loading.selector || opts.contentSelector; 136 137 // Define loading.msg 138 opts.loading.msg = opts.loading.msg || $('<div id="infscr-loading"><img alt="Loading..." src="' + opts.loading.img + '" /><div>' + opts.loading.msgText + '</div></div>'); 139 140 // Preload loading.img 141 (new Image()).src = opts.loading.img; 142 143 // distance from nav links to bottom 144 // computed as: height of the document + top offset of container - top offset of nav link 145 if(opts.pixelsFromNavToBottom === undefined) { 146 opts.pixelsFromNavToBottom = $(document).height() - $(opts.navSelector).offset().top; 147 this._debug("pixelsFromNavToBottom: " + opts.pixelsFromNavToBottom); 148 } 149 150 var self = this; 151 152 // determine loading.start actions 153 opts.loading.start = opts.loading.start || function() { 154 $(opts.navSelector).hide(); 155 opts.loading.msg 156 .appendTo(opts.loading.selector) 157 .show(opts.loading.speed, $.proxy(function() { 158 this.beginAjax(opts); 159 }, self)); 160 }; 161 162 // determine loading.finished actions 163 opts.loading.finished = opts.loading.finished || function() { 164 if (!opts.state.isBeyondMaxPage) 165 opts.loading.msg.fadeOut(opts.loading.speed); 166 }; 167 168 // callback loading 169 opts.callback = function(instance, data, url) { 170 if (!!opts.behavior && instance['_callback_'+opts.behavior] !== undefined) { 171 instance['_callback_'+opts.behavior].call($(opts.contentSelector)[0], data, url); 172 } 173 174 if (callback) { 175 callback.call($(opts.contentSelector)[0], data, opts, url); 176 } 177 178 if (opts.prefill) { 179 $window.bind("resize.infinite-scroll", instance._prefill); 180 } 181 }; 182 183 if (options.debug) { 184 // Tell IE9 to use its built-in console 185 if (Function.prototype.bind && (typeof console === 'object' || typeof console === 'function') && typeof console.log === "object") { 186 ["log","info","warn","error","assert","dir","clear","profile","profileEnd"] 187 .forEach(function (method) { 188 console[method] = this.call(console[method], console); 189 }, Function.prototype.bind); 190 } 191 } 192 193 this._setup(); 194 195 // Setups the prefill method for use 196 if (opts.prefill) { 197 this._prefill(); 198 } 199 200 // Return true to indicate successful creation 201 return true; 202 }, 203 204 _prefill: function infscr_prefill() { 205 var instance = this; 206 var $window = $(window); 207 208 function needsPrefill() { 209 return (instance.options.contentSelector.height() <= $window.height()); 210 } 211 212 this._prefill = function() { 213 if (needsPrefill()) { 214 instance.scroll(); 215 } 216 217 $window.bind("resize.infinite-scroll", function() { 218 if (needsPrefill()) { 219 $window.unbind("resize.infinite-scroll"); 220 instance.scroll(); 221 } 222 }); 223 }; 224 225 // Call self after setting up the new function 226 this._prefill(); 227 }, 228 229 // Console log wrapper 230 _debug: function infscr_debug() { 231 if (true !== this.options.debug) { 232 return; 233 } 234 235 if (typeof console !== 'undefined' && typeof console.log === 'function') { 236 // Modern browsers 237 // Single argument, which is a string 238 if ((Array.prototype.slice.call(arguments)).length === 1 && typeof Array.prototype.slice.call(arguments)[0] === 'string') { 239 console.log( (Array.prototype.slice.call(arguments)).toString() ); 240 } else { 241 console.log( Array.prototype.slice.call(arguments) ); 242 } 243 } else if (!Function.prototype.bind && typeof console !== 'undefined' && typeof console.log === 'object') { 244 // IE8 245 Function.prototype.call.call(console.log, console, Array.prototype.slice.call(arguments)); 246 } 247 }, 248 249 // find the number to increment in the path.
250 _determinepath: function infscr_determinepath(path) { 251 252 var opts = this.options; 253 254 // if behavior is defined and this function is extended, call that instead of default 255 if (!!opts.behavior && this['_determinepath_'+opts.behavior] !== undefined) { 256 return this['_determinepath_'+opts.behavior].call(this,path); 257 } 258 259 if (!!opts.pathParse) { 260 261 this._debug('pathParse manual'); 262 return opts.pathParse(path, this.options.state.currPage+1); 263 264 } else if (path.match(/^(.*?)\b2\b(.*?$)/)) { 265 path = path.match(/^(.*?)\b2\b(.*?$)/).slice(1); 266 267 // if there is any 2 in the url at all. 268 } else if (path.match(/^(.*?)2(.*?$)/)) { 269 270 // page= is used in django: 271 // http://www.infinite-scroll.com/changelog/comment-page-1/#comment-127 272 if (path.match(/^(.*?page=)2(\/.*|$)/)) { 273 path = path.match(/^(.*?page=)2(\/.*|$)/).slice(1); 274 return path; 275 } 276 277 path = path.match(/^(.*?)2(.*?$)/).slice(1); 278 279 } else { 280 281 // page= is used in drupal too but second page is page=1 not page=2: 282 // thx Jerod Fritz, vladikoff 283 if (path.match(/^(.*?page=)1(\/.*|$)/)) { 284 path = path.match(/^(.*?page=)1(\/.*|$)/).slice(1); 285 return path; 286 } else { 287 this._debug('Sorry, we couldn\'t parse your Next (Previous Posts) URL. Verify your the css selector points to the correct A tag. If you still get this error: yell, scream, and kindly ask for help at infinite-scroll.com.'); 288 // Get rid of isInvalidPage to allow permalink to state 289 opts.state.isInvalidPage = true; //prevent it from running on this page. 290 } 291 } 292 this._debug('determinePath', path); 293 return path; 294 295 }, 296 297 // Custom error 298 _error: function infscr_error(xhr) { 299 300 var opts = this.options; 301 302 // if behavior is defined and this function is extended, call that instead of default 303 if (!!opts.behavior && this['_error_'+opts.behavior] !== undefined) { 304 this['_error_'+opts.behavior].call(this,xhr); 305 return; 306 } 307 308 if (xhr !== 'destroy' && xhr !== 'end') { 309 xhr = 'unknown'; 310 } 311 312 this._debug('Error', xhr); 313 314 if (xhr === 'end' || opts.state.isBeyondMaxPage) { 315 this._showdonemsg(); 316 } 317 318 opts.state.isDone = true; 319 opts.state.currPage = 1; // if you need to go back to this instance 320 opts.state.isPaused = false; 321 opts.state.isBeyondMaxPage = false; 322 this._binding('unbind'); 323 324 }, 325 326 // Load Callback 327 _loadcallback: function infscr_loadcallback(box, data, url) { 328 var opts = this.options, 329 callback = this.options.callback, // GLOBAL OBJECT FOR CALLBACK 330 result = (opts.state.isDone) ? 'done' : (!opts.appendCallback) ? 'no-append' : 'append', 331 frag; 332 333 // if behavior is defined and this function is extended, call that instead of default 334 if (!!opts.behavior && this['_loadcallback_'+opts.behavior] !== undefined) { 335 this['_loadcallback_'+opts.behavior].call(this,box,data); 336 return; 337 } 338 339 switch (result) { 340 case 'done': 341 this._showdonemsg(); 342 return false; 343 344 case 'no-append': 345 if (opts.dataType === 'html') { 346 data = '<div>' + data + '</div>'; 347 data = $(data).find(opts.itemSelector); 348 } 349 break; 350 351 case 'append': 352 var children = box.children(); 353 // if it didn't return anything 354 if (children.length === 0) { 355 return this._error('end'); 356 } 357 358 // use a documentFragment because it works when content is going into a table or UL 359 frag = document.createDocumentFragment(); 360 while (box[0].firstChild) { 361 frag.appendChild(box[0].firstChild); 362 } 363 364 this._debug('contentSelector', $(opts.contentSelector)[0]); 365 $(opts.contentSelector)[0].appendChild(frag); 366 // previously, we would pass in the new DOM element as context for the callback 367 // however we're now using a documentfragment, which doesn't have parents or children, 368 // so the context is the contentContainer guy, and we pass in an array 369 // of the elements collected as the first argument. 370 371 data = children.get(); 372 break; 373 } 374 375 // loadingEnd function 376 opts.loading.finished.call($(opts.contentSelector)[0],opts); 377 378 // smooth scroll to ease in the new content 379 if (opts.animate) { 380 var scrollTo = $(window).scrollTop() + $(opts.loading.msg).height() + opts.extraScrollPx + 'px'; 381 $('html,body').animate({ scrollTop: scrollTo }, 800, function () { opts.state.isDuringAjax = false; }); 382 } 383 384 if (!opts.animate) { 385 // once the call is done, we can allow it again. 386 opts.state.isDuringAjax = false;
387 } 388 389 callback(this, data, url); 390 391 if (opts.prefill) { 392 this._prefill(); 393 } 394 }, 395 396 _nearbottom: function infscr_nearbottom() { 397 398 var opts = this.options, 399 pixelsFromWindowBottomToBottom = 0 + $(document).height() - (opts.binder.scrollTop()) - $(window).height(); 400 401 // if behavior is defined and this function is extended, call that instead of default 402 if (!!opts.behavior && this['_nearbottom_'+opts.behavior] !== undefined) { 403 return this['_nearbottom_'+opts.behavior].call(this); 404 } 405 406 this._debug('math:', pixelsFromWindowBottomToBottom, opts.pixelsFromNavToBottom); 407 408 // if distance remaining in the scroll (including buffer) is less than the orignal nav to bottom.... 409 return (pixelsFromWindowBottomToBottom - opts.bufferPx < opts.pixelsFromNavToBottom); 410 411 }, 412 413 // Pause / temporarily disable plugin from firing 414 _pausing: function infscr_pausing(pause) { 415 416 var opts = this.options; 417 418 // if behavior is defined and this function is extended, call that instead of default 419 if (!!opts.behavior && this['_pausing_'+opts.behavior] !== undefined) { 420 this['_pausing_'+opts.behavior].call(this,pause); 421 return; 422 } 423 424 // If pause is not 'pause' or 'resume', toggle it's value 425 if (pause !== 'pause' && pause !== 'resume' && pause !== null) { 426 this._debug('Invalid argument. Toggling pause value instead'); 427 } 428 429 pause = (pause && (pause === 'pause' || pause === 'resume')) ? pause : 'toggle'; 430 431 switch (pause) { 432 case 'pause': 433 opts.state.isPaused = true; 434 break; 435 436 case 'resume': 437 opts.state.isPaused = false; 438 break; 439 440 case 'toggle': 441 opts.state.isPaused = !opts.state.isPaused; 442 break; 443 } 444 445 this._debug('Paused', opts.state.isPaused); 446 return false; 447 448 }, 449 450 // Behavior is determined 451 // If the behavior option is undefined, it will set to default and bind to scroll 452 _setup: function infscr_setup() { 453 454 var opts = this.options; 455 456 // if behavior is defined and this function is extended, call that instead of default 457 if (!!opts.behavior && this['_setup_'+opts.behavior] !== undefined) { 458 this['_setup_'+opts.behavior].call(this); 459 return; 460 } 461 462 this._binding('bind'); 463 464 return false; 465 466 }, 467 468 // Show done message 469 _showdonemsg: function infscr_showdonemsg() { 470 471 var opts = this.options; 472 473 // if behavior is defined and this function is extended, call that instead of default 474 if (!!opts.behavior && this['_showdonemsg_'+opts.behavior] !== undefined) { 475 this['_showdonemsg_'+opts.behavior].call(this); 476 return; 477 } 478 479 opts.loading.msg 480 .find('img') 481 .hide() 482 .parent() 483 .find('div').html(opts.loading.finishedMsg).animate({ opacity: 1 }, 2000, function () { 484 $(this).parent().fadeOut(opts.loading.speed); 485 }); 486 487 // user provided callback when done 488 opts.errorCallback.call($(opts.contentSelector)[0],'done'); 489 }, 490 491 // grab each selector option and see if any fail 492 _validate: function infscr_validate(opts) { 493 for (var key in opts) { 494 if (key.indexOf && key.indexOf('Selector') > -1 && $(opts[key]).length === 0) { 495 this._debug('Your ' + key + ' found no elements.'); 496 return false; 497 } 498 } 499 500 return true; 501 }, 502 503 /* 504 ---------------------------- 505 Public methods 506 ---------------------------- 507 */ 508 509 // Bind to scroll 510 bind: function infscr_bind() { 511 this._binding('bind'); 512 }, 513 514 // Destroy current instance of plugin 515 destroy: function infscr_destroy() { 516 this.options.state.isDestroyed = true; 517 this.options.loading.finished(); 518 return this._error('destroy'); 519 }, 520 521 // Set pause value to false 522 pause: function infscr_pause() { 523 this._pausing('pause'); 524 }, 525 526 // Set pause value to false 527 resume: function infscr_resume() { 528 this._pausing('resume'); 529 }, 530 531 beginAjax: function infscr_ajax(opts) { 532 var instance = this, 533 path = opts.path, 534 box, desturl, method, condition; 535 536 // increment the URL bit. e.g. /page/3/ 537 opts.state.currPage++; 538 539 // Manually control maximum page 540 if ( opts.maxPage != undefined && opts.state.currPage > opts.maxPage ){ 541 opts.state.isBeyondMaxPage = true; 542 this.destroy(); 543 return; 544 } 545 546 // if we're dealing with a table we can't use DIVs 547 box = $(opts.contentSelector).is('table, tbody') ? $('<tbody/>') : $('<div/>'); 548 549 desturl = (typeof path === 'function') ? path(opts.state.currPage) : path.join(opts.state.currPage); 550 instance._debug('heading into ajax', desturl); 551 552 method = (opts.dataType === 'html' || opts.dataType === 'json' ) ? opts.dataType : 'html+callback'; 553 if (opts.appendCallback && opts.dataType === 'html') { 554 method += '+callback'; 555 } 556 557 switch (method) { 558 case 'html+callback': 559 instance._debug('Using HTML via .load() method'); 560 box.load(desturl + ' ' + opts.itemSelector, undefined, function infscr_ajax_callback(responseText) { 561 instance._loadcallback(box, responseText, desturl); 562 }); 563 564 break; 565
566 case 'html': 567 instance._debug('Using ' + (method.toUpperCase()) + ' via $.ajax() method'); 568 $.ajax({ 569 // params 570 url: desturl, 571 dataType: opts.dataType, 572 complete: function infscr_ajax_callback(jqXHR, textStatus) { 573 condition = (typeof (jqXHR.isResolved) !== 'undefined') ? (jqXHR.isResolved()) : (textStatus === "success" || textStatus === "notmodified"); 574 if (condition) { 575 instance._loadcallback(box, jqXHR.responseText, desturl); 576 } else { 577 instance._error('end'); 578 } 579 } 580 }); 581 582 break; 583 case 'json': 584 instance._debug('Using ' + (method.toUpperCase()) + ' via $.ajax() method'); 585 $.ajax({ 586 dataType: 'json', 587 type: 'GET', 588 url: desturl, 589 success: function (data, textStatus, jqXHR) { 590 condition = (typeof (jqXHR.isResolved) !== 'undefined') ? (jqXHR.isResolved()) : (textStatus === "success" || textStatus === "notmodified"); 591 if (opts.appendCallback) { 592 // if appendCallback is true, you must defined template in options. 593 // note that data passed into _loadcallback is already an html (after processed in opts.template(data)). 594 if (opts.template !== undefined) { 595 var theData = opts.template(data); 596 box.append(theData); 597 if (condition) { 598 instance._loadcallback(box, theData); 599 } else { 600 instance._error('end'); 601 } 602 } else { 603 instance._debug("template must be defined."); 604 instance._error('end'); 605 } 606 } else { 607 // if appendCallback is false, we will pass in the JSON object. you should handle it yourself in your callback. 608 if (condition) { 609 instance._loadcallback(box, data, desturl); 610 } else { 611 instance._error('end'); 612 } 613 } 614 }, 615 error: function() { 616 instance._debug("JSON ajax request failed."); 617 instance._error('end'); 618 } 619 }); 620 621 break; 622 } 623 }, 624 625 // Retrieve next set of content items 626 retrieve: function infscr_retrieve(pageNum) { 627 pageNum = pageNum || null; 628 629 var instance = this, 630 opts = instance.options; 631 632 // if behavior is defined and this function is extended, call that instead of default 633 if (!!opts.behavior && this['retrieve_'+opts.behavior] !== undefined) { 634 this['retrieve_'+opts.behavior].call(this,pageNum); 635 return; 636 } 637 638 // for manual triggers, if destroyed, get out of here 639 if (opts.state.isDestroyed) { 640 this._debug('Instance is destroyed'); 641 return false; 642 } 643 644 // we dont want to fire the ajax multiple times 645 opts.state.isDuringAjax = true; 646 647 opts.loading.start.call($(opts.contentSelector)[0],opts); 648 }, 649 650 // Check to see next page is needed 651 scroll: function infscr_scroll() { 652 653 var opts = this.options, 654 state = opts.state; 655 656 // if behavior is defined and this function is extended, call that instead of default 657 if (!!opts.behavior && this['scroll_'+opts.behavior] !== undefined) { 658 this['scroll_'+opts.behavior].call(this); 659 return; 660 } 661 662 if (state.isDuringAjax || state.isInvalidPage || state.isDone || state.isDestroyed || state.isPaused) { 663 return; 664 } 665 666 if (!this._nearbottom()) { 667 return; 668 } 669 670 this.retrieve(); 671 672 }, 673 674 // Toggle pause value 675 toggle: function infscr_toggle() { 676 this._pausing(); 677 }, 678 679 // Unbind from scroll 680 unbind: function infscr_unbind() { 681 this._binding('unbind'); 682 }, 683 684 // update options 685 update: function infscr_options(key) { 686 if ($.isPlainObject(key)) { 687 this.options = $.extend(true,this.options,key); 688 } 689 } 690 }; 691 692 693 /* 694 ---------------------------- 695 Infinite Scroll function 696 ---------------------------- 697 698 Borrowed logic from the following... 699 700 jQuery UI 701 - https://github.com/jquery/jquery-ui/blob/master/ui/jquery.ui.widget.js 702 703 jCarousel 704 - https://github.com/jsor/jcarousel/blob/master/lib/jquery.jcarou
704sel.js 705 706 Masonry 707 - https://github.com/desandro/masonry/blob/master/jquery.masonry.js 708 709*/ 710 711 $.fn.infinitescroll = function infscr_init(options, callback) { 712 713 714 var thisCall = typeof options; 715 716 switch (thisCall) { 717 718 // method 719 case 'string': 720 var args = Array.prototype.slice.call(arguments, 1); 721 722 this.each(function () { 723 var instance = $.data(this, 'infinitescroll'); 724 725 if (!instance) { 726 // not setup yet 727 // return $.error('Method ' + options + ' cannot be called until Infinite Scroll is setup'); 728 return false; 729 } 730 731 if (!$.isFunction(instance[options]) || options.charAt(0) === "_") { 732 // return $.error('No such method ' + options + ' for Infinite Scroll'); 733 return false; 734 } 735 736 // no errors! 737 instance[options].apply(instance, args); 738 }); 739 740 break; 741 742 // creation 743 case 'object': 744 745 this.each(function () { 746 747 var instance = $.data(this, 'infinitescroll'); 748 749 if (instance) { 750 751 // update options of current instance 752 instance.update(options); 753 754 } else { 755 756 // initialize new instance 757 instance = new $.infinitescroll(options, callback, this); 758 759 // don't attach if instantiation failed 760 if (!instance.failed) { 761 $.data(this, 'infinitescroll', instance); 762 } 763 764 } 765 766 }); 767 768 break; 769 770 } 771 772 return this; 773 }; 774 775 776 777 /* 778 * smartscroll: debounced scroll event for jQuery * 779 * https://github.com/lukeshumard/smartscroll 780 * Based on smartresize by @louis_remi: https://github.com/lrbabe/jquery.smartresize.js * 781 * Copyright 2011 Louis-Remi & Luke Shumard * Licensed under the MIT license. * 782 */ 783 784 var event = $.event, 785 scrollTimeout; 786 787 event.special.smartscroll = { 788 setup: function () { 789 $(this).bind("scroll", event.special.smartscroll.handler); 790 }, 791 teardown: function () { 792 $(this).unbind("scroll", event.special.smartscroll.handler); 793 }, 794 handler: function (event, execAsap) { 795 // Save the context 796 var context = this, 797 args = arguments; 798 799 // set correct event type 800 event.type = "smartscroll"; 801 802 if (scrollTimeout) { clearTimeout(scrollTimeout); } 803 scrollTimeout = setTimeout(function () { 804 $(context).trigger('smartscroll', args); 805 }, execAsap === "execAsap" ? 0 : 100); 806 } 807 }; 808 809 $.fn.smartscroll = function (fn) { 810 return fn ? this.bind("smartscroll", fn) : this.trigger("smartscroll", ["execAsap"]); 811 }; 812 813 814})(window, jQuery);
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.