breaking jquery out into smaller modules. added attributes.js, manipulation.js, and traversing.js
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Brandon Aaron
parent
2c31a1624f
commit
7c04a64016
12 changed files with 2221 additions and 2200 deletions
390
src/attributes.js
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390
src/attributes.js
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jQuery.fn.extend({
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attr: function( name, value, type ) {
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var options = name, isFunction = jQuery.isFunction( value );
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// Look for the case where we're accessing a style value
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if ( typeof name === "string" ) {
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if ( value === undefined ) {
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return this.length ?
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jQuery[ type || "attr" ]( this[0], name ) :
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null;
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} else {
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options = {};
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options[ name ] = value;
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}
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}
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// Check to see if we're setting style values
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for ( var i = 0, l = this.length; i < l; i++ ) {
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var elem = this[i];
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// Set all the styles
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for ( var prop in options ) {
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value = options[prop];
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if ( isFunction ) {
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value = value.call( elem, i );
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}
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if ( typeof value === "number" && type === "curCSS" && !exclude.test(prop) ) {
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value = value + "px";
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}
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jQuery.attr( type ? elem.style : elem, prop, value );
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}
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}
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return this;
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},
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css: function( key, value ) {
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// ignore negative width and height values
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if ( (key == 'width' || key == 'height') && parseFloat(value) < 0 )
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value = undefined;
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return this.attr( key, value, "curCSS" );
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},
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hasClass: function( selector ) {
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return !!selector && this.is( "." + selector );
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},
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val: function( value ) {
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if ( value === undefined ) {
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var elem = this[0];
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if ( elem ) {
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if( jQuery.nodeName( elem, 'option' ) )
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return (elem.attributes.value || {}).specified ? elem.value : elem.text;
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// We need to handle select boxes special
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if ( jQuery.nodeName( elem, "select" ) ) {
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var index = elem.selectedIndex,
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values = [],
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options = elem.options,
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one = elem.type == "select-one";
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// Nothing was selected
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if ( index < 0 )
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return null;
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// Loop through all the selected options
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for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
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var option = options[ i ];
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if ( option.selected ) {
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// Get the specifc value for the option
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value = jQuery(option).val();
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// We don't need an array for one selects
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if ( one )
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return value;
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// Multi-Selects return an array
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values.push( value );
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}
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}
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return values;
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}
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// Everything else, we just grab the value
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return (elem.value || "").replace(/\r/g, "");
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}
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return undefined;
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}
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if ( typeof value === "number" )
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value += '';
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return this.each(function(){
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if ( this.nodeType != 1 )
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return;
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if ( jQuery.isArray(value) && /radio|checkbox/.test( this.type ) )
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this.checked = (jQuery.inArray(this.value, value) >= 0 ||
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jQuery.inArray(this.name, value) >= 0);
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else if ( jQuery.nodeName( this, "select" ) ) {
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var values = jQuery.makeArray(value);
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jQuery( "option", this ).each(function(){
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this.selected = (jQuery.inArray( this.value, values ) >= 0 ||
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jQuery.inArray( this.text, values ) >= 0);
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});
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if ( !values.length )
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this.selectedIndex = -1;
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} else
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this.value = value;
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});
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}
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});
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jQuery.each({
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removeAttr: function( name ) {
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jQuery.attr( this, name, "" );
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if (this.nodeType == 1)
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this.removeAttribute( name );
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},
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addClass: function( classNames ) {
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jQuery.className.add( this, classNames );
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},
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removeClass: function( classNames ) {
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jQuery.className.remove( this, classNames );
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},
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toggleClass: function( classNames, state ) {
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if( typeof state !== "boolean" )
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state = !jQuery.className.has( this, classNames );
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jQuery.className[ state ? "add" : "remove" ]( this, classNames );
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}
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}, function(name, fn){
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jQuery.fn[ name ] = function(){
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return this.each( fn, arguments );
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};
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});
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jQuery.extend({
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className: {
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// internal only, use addClass("class")
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add: function( elem, classNames ) {
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jQuery.each((classNames || "").split(/\s+/), function(i, className){
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if ( elem.nodeType == 1 && !jQuery.className.has( elem.className, className ) )
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elem.className += (elem.className ? " " : "") + className;
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});
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},
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// internal only, use removeClass("class")
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remove: function( elem, classNames ) {
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if (elem.nodeType == 1)
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elem.className = classNames !== undefined ?
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jQuery.grep(elem.className.split(/\s+/), function(className){
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return !jQuery.className.has( classNames, className );
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}).join(" ") :
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"";
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},
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// internal only, use hasClass("class")
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has: function( elem, className ) {
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return elem && jQuery.inArray( className, (elem.className || elem).toString().split(/\s+/) ) > -1;
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}
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},
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// A method for quickly swapping in/out CSS properties to get correct calculations
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swap: function( elem, options, callback ) {
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var old = {};
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// Remember the old values, and insert the new ones
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for ( var name in options ) {
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old[ name ] = elem.style[ name ];
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elem.style[ name ] = options[ name ];
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}
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callback.call( elem );
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// Revert the old values
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for ( var name in options )
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elem.style[ name ] = old[ name ];
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},
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css: function( elem, name, force, extra ) {
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if ( name == "width" || name == "height" ) {
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var val, props = { position: "absolute", visibility: "hidden", display:"block" }, which = name == "width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ];
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function getWH() {
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val = name == "width" ? elem.offsetWidth : elem.offsetHeight;
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if ( extra === "border" )
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return;
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jQuery.each( which, function() {
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if ( !extra )
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val -= parseFloat(jQuery.curCSS( elem, "padding" + this, true)) || 0;
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if ( extra === "margin" )
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val += parseFloat(jQuery.curCSS( elem, "margin" + this, true)) || 0;
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else
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val -= parseFloat(jQuery.curCSS( elem, "border" + this + "Width", true)) || 0;
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});
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}
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if ( elem.offsetWidth !== 0 )
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getWH();
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else
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jQuery.swap( elem, props, getWH );
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return Math.max(0, Math.round(val));
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}
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return jQuery.curCSS( elem, name, force );
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},
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curCSS: function( elem, name, force ) {
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var ret, style = elem.style;
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// We need to handle opacity special in IE
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if ( name == "opacity" && !jQuery.support.opacity ) {
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ret = jQuery.attr( style, "opacity" );
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return ret == "" ?
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"1" :
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ret;
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}
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// Make sure we're using the right name for getting the float value
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if ( name.match( /float/i ) )
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name = styleFloat;
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if ( !force && style && style[ name ] )
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ret = style[ name ];
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else if ( defaultView.getComputedStyle ) {
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// Only "float" is needed here
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if ( name.match( /float/i ) )
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name = "float";
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name = name.replace( /([A-Z])/g, "-$1" ).toLowerCase();
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var computedStyle = defaultView.getComputedStyle( elem, null );
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if ( computedStyle )
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ret = computedStyle.getPropertyValue( name );
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// We should always get a number back from opacity
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if ( name == "opacity" && ret == "" )
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ret = "1";
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} else if ( elem.currentStyle ) {
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var camelCase = name.replace(/\-(\w)/g, function(all, letter){
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return letter.toUpperCase();
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});
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ret = elem.currentStyle[ name ] || elem.currentStyle[ camelCase ];
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// From the awesome hack by Dean Edwards
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// http://erik.eae.net/archives/2007/07/27/18.54.15/#comment-102291
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// If we're not dealing with a regular pixel number
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// but a number that has a weird ending, we need to convert it to pixels
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if ( !/^\d+(px)?$/i.test( ret ) && /^\d/.test( ret ) ) {
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// Remember the original values
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var left = style.left, rsLeft = elem.runtimeStyle.left;
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// Put in the new values to get a computed value out
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elem.runtimeStyle.left = elem.currentStyle.left;
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style.left = ret || 0;
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ret = style.pixelLeft + "px";
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// Revert the changed values
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style.left = left;
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elem.runtimeStyle.left = rsLeft;
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}
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}
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return ret;
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},
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attr: function( elem, name, value ) {
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// don't set attributes on text and comment nodes
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if (!elem || elem.nodeType == 3 || elem.nodeType == 8)
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return undefined;
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var notxml = !elem.tagName || !jQuery.isXMLDoc( elem ),
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// Whether we are setting (or getting)
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set = value !== undefined;
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// Try to normalize/fix the name
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name = notxml && jQuery.props[ name ] || name;
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// Only do all the following if this is a node (faster for style)
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// IE elem.getAttribute passes even for style
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if ( elem.tagName ) {
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// These attributes require special treatment
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var special = /href|src|style/.test( name );
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// Safari mis-reports the default selected property of a hidden option
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// Accessing the parent's selectedIndex property fixes it
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if ( name == "selected" && elem.parentNode )
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elem.parentNode.selectedIndex;
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// If applicable, access the attribute via the DOM 0 way
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if ( name in elem && notxml && !special ) {
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if ( set ){
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// We can't allow the type property to be changed (since it causes problems in IE)
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if ( name == "type" && elem.nodeName.match(/(button|input)/i) && elem.parentNode )
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throw "type property can't be changed";
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elem[ name ] = value;
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}
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// browsers index elements by id/name on forms, give priority to attributes.
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if( jQuery.nodeName( elem, "form" ) && elem.getAttributeNode(name) )
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return elem.getAttributeNode( name ).nodeValue;
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// elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
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// http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
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if ( name == "tabIndex" ) {
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var attributeNode = elem.getAttributeNode( "tabIndex" );
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return attributeNode && attributeNode.specified
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? attributeNode.value
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: elem.nodeName.match(/(button|input|object|select|textarea)/i)
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? 0
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: elem.nodeName.match(/^(a|area)$/i) && elem.href
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? 0
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: undefined;
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}
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return elem[ name ];
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}
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if ( !jQuery.support.style && notxml && name == "style" )
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return jQuery.attr( elem.style, "cssText", value );
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if ( set )
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// convert the value to a string (all browsers do this but IE) see #1070
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elem.setAttribute( name, "" + value );
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var attr = !jQuery.support.hrefNormalized && notxml && special
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// Some attributes require a special call on IE
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? elem.getAttribute( name, 2 )
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: elem.getAttribute( name );
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// Non-existent attributes return null, we normalize to undefined
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return attr === null ? undefined : attr;
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}
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// elem is actually elem.style ... set the style
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// IE uses filters for opacity
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if ( !jQuery.support.opacity && name == "opacity" ) {
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if ( set ) {
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// IE has trouble with opacity if it does not have layout
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// Force it by setting the zoom level
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elem.zoom = 1;
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// Set the alpha filter to set the opacity
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elem.filter = (elem.filter || "").replace( /alpha\([^)]*\)/, "" ) +
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(parseInt( value ) + '' == "NaN" ? "" : "alpha(opacity=" + value * 100 + ")");
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}
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return elem.filter && elem.filter.indexOf("opacity=") >= 0 ?
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(parseFloat( elem.filter.match(/opacity=([^)]*)/)[1] ) / 100) + '':
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"";
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}
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name = name.replace(/-([a-z])/ig, function(all, letter){
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return letter.toUpperCase();
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});
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if ( set )
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elem[ name ] = value;
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return elem[ name ];
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}
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});
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