9f88fa9165
- removeAttr now only uses setAttribute if camelCase setAttribute is not supported
+ Might want to rename jQuery.support.getSetAttribute
- tabIndex is a special case now for hooks where undefined should be returned.
+ Should we be checking if hooks returns undefined? undefined might be the desired return value in future hooks.
As of now, tabIndex is the only one that needs it, but the test suite will still pass if we don't check if hooks are undefined.
493 lines
13 KiB
JavaScript
493 lines
13 KiB
JavaScript
(function( jQuery ) {
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var rclass = /[\n\t\r]/g,
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rspaces = /\s+/,
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rreturn = /\r/g,
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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(?:rea)?$/i,
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rradiocheck = /^(?:radio|checkbox)$/i;
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jQuery.fn.extend({
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attr: function( name, value ) {
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return jQuery.access( this, name, value, true, jQuery.attr );
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},
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removeAttr: function( name ) {
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return this.each(function() {
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if ( this.nodeType === 1 ) {
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jQuery.removeAttr( this, name );
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}
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});
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},
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prop: function( name, value ) {
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return jQuery.access( this, name, value, true, jQuery.prop );
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},
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removeProp: function( name ) {
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return this.each(function() {
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// try/catch handles cases where IE balks (such as removing a property on window)
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try {
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this[ name ] = undefined;
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delete this[ name ];
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} catch( e ) {}
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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( rspaces );
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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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setClass = 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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setClass += " " + classNames[c];
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}
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}
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elem.className = jQuery.trim( setClass );
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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( rspaces );
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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,
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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,
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i = 0,
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self = jQuery( this ),
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state = stateVal,
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classNames = value.split( rspaces );
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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 ( !arguments.length ) {
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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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// attributes.value is undefined in Blackberry 4.7 but
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// uses .value. See #6932
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var val = elem.attributes.value;
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return !val || val.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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// Don't return options that are disabled or in a disabled optgroup
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if ( option.selected && (jQuery.support.optDisabled ? !option.disabled : option.getAttribute("disabled") === null) &&
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(!option.parentNode.disabled || !jQuery.nodeName( option.parentNode, "optgroup" )) ) {
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// Get the specific 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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// Fixes Bug #2551 -- select.val() broken in IE after form.reset()
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if ( one && !values.length && options.length ) {
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return jQuery( options[ index ] ).val();
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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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// Treat null/undefined as ""; convert numbers to string
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if ( val == null ) {
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val = "";
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} else if ( typeof val === "number" ) {
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val += "";
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} else if ( jQuery.isArray(val) ) {
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val = jQuery.map(val, function (value) {
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return value == null ? "" : value + "";
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});
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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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attrFix: {},
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attr: function( elem, name, value, pass ) {
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// don't get/set attributes on text, comment and attribute nodes
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if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || elem.nodeType === 2 ) {
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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 ret,
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notxml = elem.nodeType !== 1 || !jQuery.isXMLDoc( elem ),
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hooks;
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// Normalize the name if needed
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name = notxml && jQuery.attrFix[ name ] || name;
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hooks = jQuery.attrHooks[ name ];
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if ( value !== undefined ) {
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if ( hooks && "set" in hooks && notxml && (ret = hooks.set( elem, value )) !== undefined ) {
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return ret;
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} else if ( value === null ) {
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jQuery.removeAttr( elem, name );
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return undefined;
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} else {
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elem.setAttribute( name, value );
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return value;
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}
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} else {
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if ( hooks && "get" in hooks && notxml && ((ret = hooks.get( elem )) !== undefined || name === "tabIndex") ) {
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return ret;
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} else {
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var attr = elem.getAttribute( name );
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// Non-existent attributes return null, we normalize to undefined
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return attr === null || attr === "undefined" || attr === "null" ? undefined : attr;
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}
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}
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},
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// removeAttribute returns boolean in IE
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// set property to null if getSetAttribute not supported (IE6-7)
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removeAttr: function( elem, name ) {
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name = jQuery.attrFix[ name ] || name;
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if ( typeof elem.removeAttribute( name ) === "boolean" && !jQuery.support.getSetAttribute ) {
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// Setting className to null sets a class of "null"
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name === "className" ? elem.className = "" : elem.setAttribute( name, null );
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}
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},
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attrHooks: {
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type: {
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set: function( elem, value ) {
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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 ( 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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}
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}
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},
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// TODO: Check to see if we really need any here.
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propFix: {
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},
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prop: function( elem, name, value ) {
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// don't get/set properties on text, comment and attribute nodes
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if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || elem.nodeType === 2 ) {
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return undefined;
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}
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var ret, hooks, notxml = elem.nodeType !== 1 || !jQuery.isXMLDoc( elem );
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// Try to normalize/fix the name
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name = notxml && jQuery.propFix[ name ] || name;
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hooks = jQuery.propHooks[ name ];
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if ( value !== undefined ) {
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if ( hooks && "set" in hooks && (ret = hooks.set( elem, value )) !== undefined ) {
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return ret;
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} else {
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return (elem[ name ] = value);
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}
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} else {
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if ( hooks && "get" in hooks && (ret = hooks.get( elem )) !== undefined ) {
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return ret;
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} else {
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return elem[ name ];
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}
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}
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},
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propHooks: {}
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});
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// IE6/7 do not support getting/setting some attributes with get/setAttribute
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if ( !jQuery.support.getSetAttribute ) {
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jQuery.attrFix = jQuery.extend( jQuery.attrFix, {
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"for": "htmlFor",
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"class": "className",
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readonly: "readOnly",
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maxlength: "maxLength",
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cellspacing: "cellSpacing",
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rowspan: "rowSpan",
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colspan: "colSpan",
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tabindex: "tabIndex",
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usemap: "useMap",
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frameborder: "frameBorder"
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});
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// Action attribute in ie6/7 returns form objects
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jQuery.attrHooks.action = jQuery.extend( jQuery.attrHooks.action, {
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get: function( elem ) {
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return elem.nodeName === "FORM" ? elem.getAttributeNode("action").nodeValue : elem.getAttribute("action");
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},
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set: function( elem, value ) {
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elem.nodeName === "FORM" ? elem.getAttributeNode("action").nodeValue = value : elem.setAttribute("action", value);
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return value;
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}
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});
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}
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// Remove certain attrs if set to false
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jQuery.each([ "selected", "checked", "readonly", "disabled" ], function( i, name ) {
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name = jQuery.attrFix[ name ] || name;
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jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], {
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set: function( elem, value ) {
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if ( !value ) { // '', undefined, false, null will remove attr
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jQuery.removeAttr( elem, name );
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return false;
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}
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elem.setAttribute( name, value );
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return value;
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}
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});
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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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jQuery.attrHooks[ jQuery.attrFix.tabindex || "tabindex" ] = {
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get: function( elem ) {
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var attributeNode = elem.getAttributeNode("tabIndex");
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return attributeNode && attributeNode.specified ?
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parseInt( attributeNode.value, 10 ) :
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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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};
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// Some attributes require a special call on IE
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if ( !jQuery.support.hrefNormalized ) {
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jQuery.each([ "href", "src", "style" ], function( i, name ) {
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jQuery.attrHooks[ name ] = jQuery.extend( jQuery.attrHooks[ name ], {
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get: function( elem ) {
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return elem.getAttribute( name, 2 );
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}
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});
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});
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}
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if ( !jQuery.support.style ) {
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jQuery.attrHooks.style = {
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get: function( elem ) {
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return elem.style.cssText;
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},
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set: function( elem, value ) {
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return (elem.style.cssText = "" + value);
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}
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};
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}
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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 ( !jQuery.support.optSelected ) {
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jQuery.propHooks.selected = {
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get: function( elem ) {
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var parent = elem.parentNode;
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if ( parent ) {
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parent.selectedIndex;
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// TODO: We may need an attrHook for selected that simply defers to prop?
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// The attr is undefined if the option is created with createElement and not on the DOM
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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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};
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}
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})( jQuery ); |