337 lines
8.8 KiB
JavaScript
337 lines
8.8 KiB
JavaScript
var rclass = /[\n\t]/g,
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rspace = /\s+/,
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rreturn = /\r/g,
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rspecialurl = /href|src|style/,
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rtype = /(button|input)/i,
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rfocusable = /(button|input|object|select|textarea)/i,
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rclickable = /^(a|area)$/i,
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rradiocheck = /radio|checkbox/;
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jQuery.fn.extend({
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attr: function( name, value ) {
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return access( this, name, value, true, jQuery.attr );
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},
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removeAttr: function( name, fn ) {
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return this.each(function(){
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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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});
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},
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addClass: function( value ) {
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if ( jQuery.isFunction(value) ) {
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return this.each(function(i) {
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var self = jQuery(this);
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self.addClass( value.call(this, i, self.attr("class")) );
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});
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}
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if ( value && typeof value === "string" ) {
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var classNames = (value || "").split( rspace );
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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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if ( elem.nodeType === 1 ) {
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if ( !elem.className ) {
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elem.className = value;
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} else {
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var className = " " + elem.className + " ";
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for ( var c = 0, cl = classNames.length; c < cl; c++ ) {
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if ( className.indexOf( " " + classNames[c] + " " ) < 0 ) {
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elem.className += " " + classNames[c];
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}
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}
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}
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}
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}
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}
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return this;
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},
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removeClass: function( value ) {
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if ( jQuery.isFunction(value) ) {
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return this.each(function(i) {
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var self = jQuery(this);
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self.removeClass( value.call(this, i, self.attr("class")) );
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});
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}
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if ( (value && typeof value === "string") || value === undefined ) {
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var classNames = (value || "").split(rspace);
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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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if ( elem.nodeType === 1 && elem.className ) {
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if ( value ) {
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var className = (" " + elem.className + " ").replace(rclass, " ");
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for ( var c = 0, cl = classNames.length; c < cl; c++ ) {
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className = className.replace(" " + classNames[c] + " ", " ");
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}
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elem.className = jQuery.trim( className );
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} else {
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elem.className = "";
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}
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}
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}
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}
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return this;
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},
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toggleClass: function( value, stateVal ) {
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var type = typeof value, isBool = typeof stateVal === "boolean";
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if ( jQuery.isFunction( value ) ) {
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return this.each(function(i) {
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var self = jQuery(this);
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self.toggleClass( value.call(this, i, self.attr("class"), stateVal), stateVal );
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});
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}
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return this.each(function() {
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if ( type === "string" ) {
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// toggle individual class names
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var className, i = 0, self = jQuery(this),
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state = stateVal,
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classNames = value.split( rspace );
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while ( (className = classNames[ i++ ]) ) {
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// check each className given, space seperated list
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state = isBool ? state : !self.hasClass( className );
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self[ state ? "addClass" : "removeClass" ]( className );
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}
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} else if ( type === "undefined" || type === "boolean" ) {
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if ( this.className ) {
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// store className if set
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jQuery.data( this, "__className__", this.className );
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}
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// toggle whole className
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this.className = this.className || value === false ? "" : jQuery.data( this, "__className__" ) || "";
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}
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});
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},
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hasClass: function( selector ) {
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var className = " " + selector + " ";
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for ( var i = 0, l = this.length; i < l; i++ ) {
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if ( (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) > -1 ) {
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return true;
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}
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}
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return false;
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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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}
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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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}
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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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}
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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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// Handle the case where in Webkit "" is returned instead of "on" if a value isn't specified
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if ( rradiocheck.test( elem.type ) && !jQuery.support.checkOn ) {
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return elem.getAttribute("value") === null ? "on" : elem.value;
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}
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// Everything else, we just grab the value
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return (elem.value || "").replace(rreturn, "");
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}
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return undefined;
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}
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var isFunction = jQuery.isFunction(value);
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return this.each(function(i) {
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var self = jQuery(this), val = value;
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if ( this.nodeType !== 1 ) {
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return;
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}
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if ( isFunction ) {
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val = value.call(this, i, self.val());
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}
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// Typecast each time if the value is a Function and the appended
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// value is therefore different each time.
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if ( typeof val === "number" ) {
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val += "";
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}
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if ( jQuery.isArray(val) && rradiocheck.test( this.type ) ) {
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this.checked = jQuery.inArray( self.val(), val ) >= 0;
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} else if ( jQuery.nodeName( this, "select" ) ) {
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var values = jQuery.makeArray(val);
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jQuery( "option", this ).each(function() {
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this.selected = jQuery.inArray( jQuery(this).val(), values ) >= 0;
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});
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if ( !values.length ) {
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this.selectedIndex = -1;
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}
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} else {
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this.value = val;
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}
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});
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}
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});
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jQuery.extend({
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attrFn: {
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val: true,
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css: true,
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html: true,
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text: true,
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data: true,
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width: true,
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height: true,
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offset: true
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},
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attr: function( elem, name, value, pass ) {
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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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}
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if ( pass && name in jQuery.attrFn ) {
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return jQuery(elem)[name](value);
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}
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var notxml = elem.nodeType !== 1 || !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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if ( elem.nodeType === 1 ) {
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// These attributes require special treatment
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var special = rspecialurl.test( name );
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// Safari mis-reports the default selected property of an option
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// Accessing the parent's selectedIndex property fixes it
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if ( name === "selected" && !jQuery.support.optSelected ) {
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var parent = elem.parentNode;
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if ( parent ) {
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parent.selectedIndex;
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// Make sure that it also works with optgroups, see #5701
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if ( parent.parentNode ) {
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parent.parentNode.selectedIndex;
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}
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}
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}
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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" && rtype.test( elem.nodeName ) && elem.parentNode ) {
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jQuery.error( "type property can't be changed" );
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}
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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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}
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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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rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && 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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if ( set ) {
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elem.style.cssText = "" + value;
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}
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return elem.style.cssText;
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}
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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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}
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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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// Using attr for specific style information is now deprecated. Use style instead.
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return jQuery.style( elem, name, value );
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}
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});
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