该项目基于MIT协议，它是一个类库，里面包含大量可直接使用的功能代码

/*! jQuery UI - v1.8.24 - 2012-09-28 * https://github.com/jquery/jquery-ui * Includes: jquery.ui.core.js, jquery.ui.widget.js, jquery.ui.mouse.js, jquery.ui.draggable.js, jquery.ui.droppable.js, jquery.ui.resizable.js, jquery.ui.selectable.js, jquery.ui.sortable.js, jquery.effects.core.js, jquery.effects.blind.js, jquery.effects.bounce.js, jquery.effects.clip.js, jquery.effects.drop.js, jquery.effects.explode.js, jquery.effects.fade.js, jquery.effects.fold.js, jquery.effects.highlight.js, jquery.effects.pulsate.js, jquery.effects.scale.js, jquery.effects.shake.js, jquery.effects.slide.js, jquery.effects.transfer.js, jquery.ui.accordion.js, jquery.ui.autocomplete.js, jquery.ui.button.js, jquery.ui.datepicker.js, jquery.ui.dialog.js, jquery.ui.position.js, jquery.ui.progressbar.js, jquery.ui.slider.js, jquery.ui.tabs.js * Copyright (c) 2012 AUTHORS.txt; Licensed MIT */ (function( $, undefined ) { // prevent duplicate loading // this is only a problem because we proxy existing functions // and we don't want to double proxy them $.ui = $.ui || {}; if ( $.ui.version ) { return; } $.extend( $.ui, { version: "1.8.24", keyCode: { ALT: 18, BACKSPACE: 8, CAPS_LOCK: 20, COMMA: 188, COMMAND: 91, COMMAND_LEFT: 91, // COMMAND COMMAND_RIGHT: 93, CONTROL: 17, DELETE: 46, DOWN: 40, END: 35, ENTER: 13, ESCAPE: 27, HOME: 36, INSERT: 45, LEFT: 37, MENU: 93, // COMMAND_RIGHT NUMPAD_ADD: 107, NUMPAD_DECIMAL: 110, NUMPAD_DIVIDE: 111, NUMPAD_ENTER: 108, NUMPAD_MULTIPLY: 106, NUMPAD_SUBTRACT: 109, PAGE_DOWN: 34, PAGE_UP: 33, PERIOD: 190, RIGHT: 39, SHIFT: 16, SPACE: 32, TAB: 9, UP: 38, WINDOWS: 91 // COMMAND } }); // plugins $.fn.extend({ propAttr: $.fn.prop || $.fn.attr, _focus: $.fn.focus, focus: function( delay, fn ) { return typeof delay === "number" ? this.each(function() { var elem = this; setTimeout(function() { $( elem ).focus(); if ( fn ) { fn.call( elem ); } }, delay ); }) : this._focus.apply( this, arguments ); }, scrollParent: function() { var scrollParent; if (($.browser.msie && (/(static|relative)/).test(this.css('position'))) || (/absolute/).test(this.css('position'))) { scrollParent = this.parents().filter(function() { return (/(relative|absolute|fixed)/).test($.curCSS(this,'position',1)) && (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1)); }).eq(0); } else { scrollParent = this.parents().filter(function() { return (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1)); }).eq(0); } return (/fixed/).test(this.css('position')) || !scrollParent.length ? $(document) : scrollParent; }, zIndex: function( zIndex ) { if ( zIndex !== undefined ) { return this.css( "zIndex", zIndex ); } if ( this.length ) { var elem = $( this[ 0 ] ), position, value; while ( elem.length && elem[ 0 ] !== document ) { // Ignore z-index if position is set to a value where z-index is ignored by the browser // This makes behavior of this function consistent across browsers // WebKit always returns auto if the element is positioned position = elem.css( "position" ); if ( position === "absolute" || position === "relative" || position === "fixed" ) { // IE returns 0 when zIndex is not specified // other browsers return a string // we ignore the case of nested elements with an explicit value of 0 // <div style="z-index: -10;"><div style="z-index: 0;"></div></div> value = parseInt( elem.css( "zIndex" ), 10 ); if ( !isNaN( value ) && value !== 0 ) { return value; } } elem = elem.parent(); } } return 0; }, disableSelection: function() { return this.bind( ( $.support.selectstart ? "selectstart" : "mousedown" ) + ".ui-disableSelection", function( event ) { event.preventDefault(); }); }, enableSelection: function() { return this.unbind( ".ui-disableSelection" ); } }); // support: jQuery <1.8 if ( !$( "<a>" ).outerWidth( 1 ).jquery ) { $.each( [ "Width", "Height" ], function( i, name ) { var side = name === "Width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ], type = name.toLowerCase(), orig = { innerWidth: $.fn.innerWidth, innerHeight: $.fn.innerHeight, outerWidth: $.fn.outerWidth, outerHeight: $.fn.outerHeight }; function reduce( elem, size, border, margin ) { $.each( side, function() { size -= parseFloat( $.curCSS( elem, "padding" + this, true) ) || 0; if ( border ) { size -= parseFloat( $.curCSS( elem, "border" + this + "Width", true) ) || 0; } if ( margin ) { size -= parseFloat( $.curCSS( elem, "margin" + this, true) ) || 0; } }); return size; } $.fn[ "inner" + name ] = function( size ) { if ( size === undefined ) { return orig[ "inner" + name ].call( this ); } return this.each(function() { $( this ).css( type, reduce( this, size ) + "px" ); }); }; $.fn[ "outer" + name] = function( size, margin ) { if ( typeof size !== "number" ) { return orig[ "outer" + name ].call( this, size ); } return this.each(function() { $( this).css( type, reduce( this, size, true, margin ) + "px" ); }); }; }); } // selectors function focusable( element, isTabIndexNotNaN ) { var nodeName = element.nodeName.toLowerCase(); if ( "area" === nodeName ) { var map = element.parentNode, mapName = map.name, img; if ( !element.href || !mapName || map.nodeName.toLowerCase() !== "map" ) { return false; } img = $( "img[usemap=#" + mapName + "]" )[0]; return !!img && visible( img ); } return ( /input|select|textarea|button|object/.test( nodeName ) ? !element.disabled : "a" == nodeName ? element.href || isTabIndexNotNaN : isTabIndexNotNaN) // the element and all of its ancestors must be visible && visible( element ); } function visible( element ) { return !$( element ).parents().andSelf().filter(function() { return $.curCSS( this, "visibility" ) === "hidden" || $.expr.filters.hidden( this ); }).length; } $.extend( $.expr[ ":" ], { data: $.expr.createPseudo ? $.expr.createPseudo(function( dataName ) { return function( elem ) { return !!$.data( elem, dataName ); }; }) : // support: jQuery <1.8 function( elem, i, match ) { return !!$.data( elem, match[ 3 ] ); }, focusable: function( element ) { return focusable( element, !isNaN( $.attr( element, "tabindex" ) ) ); }, tabbable: function( element ) { var tabIndex = $.attr( element, "tabindex" ), isTabIndexNaN = isNaN( tabIndex ); return ( isTabIndexNaN || tabIndex >= 0 ) && focusable( element, !isTabIndexNaN ); } }); // support $(function() { var body = document.body, div = body.appendChild( div = document.createElement( "div" ) ); // access offsetHeight before setting the style to prevent a layout bug // in IE 9 which causes the elemnt to continue to take up space even // after it is removed from the DOM (#8026) div.offsetHeight; $.extend( div.style, { minHeight: "100px", height: "auto", padding: 0, borderWidth: 0 }); $.support.minHeight = div.offsetHeight === 100; $.support.selectstart = "onselectstart" in div; // set display to none to avoid a layout bug in IE // http://dev.jquery.com/ticket/4014 body.removeChild( div ).style.display = "none"; }); // jQuery <1.4.3 uses curCSS, in 1.4.3 - 1.7.2 curCSS = css, 1.8+ only has css if ( !$.curCSS ) { $.curCSS = $.css; } // deprecated $.extend( $.ui, { // $.ui.plugin is deprecated. Use the proxy pattern instead. plugin: { add: function( module, option, set ) { var proto = $.ui[ module ].prototype; for ( var i in set ) { proto.plugins[ i ] = proto.plugins[ i ] || []; proto.plugins[ i ].push( [ option, set[ i ] ] ); } }, call: function( instance, name, args ) { var set = instance.plugins[ name