1 var rclass = /[\n\t]/g,
4 rspecialurl = /href|src|style/,
5 rtype = /(button|input)/i,
6 rfocusable = /(button|input|object|select|textarea)/i,
7 rclickable = /^(a|area)$/i,
8 rradiocheck = /radio|checkbox/;
11 attr: function( name, value ) {
12 return access( this, name, value, true, jQuery.attr );
15 removeAttr: function( name ) {
16 if ( jQuery.isFunction( name ) ) {
17 return this.each(function(i) {
18 var self = jQuery(this);
19 self.removeAttr( name.call(this, i, self.attr(name)) );
23 return this.each(function(){
24 jQuery.attr( this, name, "" );
25 if ( this.nodeType === 1 ) {
26 this.removeAttribute( name );
31 addClass: function( value ) {
32 if ( jQuery.isFunction(value) ) {
33 return this.each(function(i) {
34 var self = jQuery(this);
35 self.addClass( value.call(this, i, self.attr("class")) );
39 if ( value && typeof value === "string" ) {
40 var classNames = (value || "").split( rspace );
42 for ( var i = 0, l = this.length; i < l; i++ ) {
45 if ( elem.nodeType === 1 ) {
46 if ( !elem.className ) {
47 elem.className = value;
50 var className = " " + elem.className + " ";
51 for ( var c = 0, cl = classNames.length; c < cl; c++ ) {
52 if ( className.indexOf( " " + classNames[c] + " " ) < 0 ) {
53 elem.className += " " + classNames[c];
64 removeClass: function( value ) {
65 if ( jQuery.isFunction(value) ) {
66 return this.each(function(i) {
67 var self = jQuery(this);
68 self.removeClass( value.call(this, i, self.attr("class")) );
72 if ( (value && typeof value === "string") || value === undefined ) {
73 var classNames = (value || "").split(rspace);
75 for ( var i = 0, l = this.length; i < l; i++ ) {
78 if ( elem.nodeType === 1 && elem.className ) {
80 var className = (" " + elem.className + " ").replace(rclass, " ");
81 for ( var c = 0, cl = classNames.length; c < cl; c++ ) {
82 className = className.replace(" " + classNames[c] + " ", " ");
84 elem.className = className.substring(1, className.length - 1);
96 toggleClass: function( classNames, state ) {
97 var type = typeof classNames;
99 if ( jQuery.isFunction( classNames ) ) {
100 return this.each(function(i) {
101 var self = jQuery(this);
102 self.toggleClass( classNames.call(this, i, self.attr("class")), state );
106 return this.each(function(){
107 if ( type === "string" ) {
108 // toggle individual class names
109 var isBool = typeof state === "boolean", className, i = 0,
110 classNames = classNames.split( rspace );
112 while ( (className = classNames[ i++ ]) ) {
113 // check each className given, space seperated list
114 state = isBool ? state : !jQuery(this).hasClass( className );
115 jQuery(this)[ state ? "addClass" : "removeClass" ]( className );
118 } else if ( type === "undefined" || type === "boolean" ) {
119 if ( this.className ) {
120 // store className if set
121 jQuery.data( this, "__className__", this.className );
124 // toggle whole className
125 this.className = this.className || classNames === false ? "" : jQuery.data( this, "__className__" ) || "";
130 hasClass: function( selector ) {
131 var className = " " + selector + " ";
132 for ( var i = 0, l = this.length; i < l; i++ ) {
133 if ( (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) > -1 ) {
141 val: function( value ) {
142 if ( value === undefined ) {
146 if ( jQuery.nodeName( elem, "option" ) ) {
147 return (elem.attributes.value || {}).specified ? elem.value : elem.text;
150 // We need to handle select boxes special
151 if ( jQuery.nodeName( elem, "select" ) ) {
152 var index = elem.selectedIndex,
154 options = elem.options,
155 one = elem.type === "select-one";
157 // Nothing was selected
162 // Loop through all the selected options
163 for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
164 var option = options[ i ];
166 if ( option.selected ) {
167 // Get the specifc value for the option
168 value = jQuery(option).val();
170 // We don't need an array for one selects
175 // Multi-Selects return an array
176 values.push( value );
183 // Handle the case where in Webkit "" is returned instead of "on" if a value isn't specified
184 if ( rradiocheck.test( elem.type ) && !jQuery.support.checkOn ) {
185 return elem.getAttribute("value") === null ? "on" : elem.value;
189 // Everything else, we just grab the value
190 return (elem.value || "").replace(rreturn, "");
197 // Typecast once if the value is a number
198 if ( typeof value === "number" ) {
204 return this.each(function(i) {
205 var self = jQuery(this);
207 if ( jQuery.isFunction(value) ) {
208 val = value.call(this, i, self.val());
210 // Typecast each time if the value is a Function and the appended
211 // value is therefore different each time.
212 if ( typeof val === "number" ) {
217 if ( this.nodeType !== 1 ) {
221 if ( jQuery.isArray(val) && rradiocheck.test( this.type ) ) {
222 this.checked = jQuery.inArray( self.val(), val ) >= 0;
224 } else if ( jQuery.nodeName( this, "select" ) ) {
225 var values = jQuery.makeArray(val);
227 jQuery( "option", this ).each(function() {
228 this.selected = jQuery.inArray( self.val(), values ) >= 0;
231 if ( !values.length ) {
232 this.selectedIndex = -1;
254 attr: function( elem, name, value, pass ) {
255 // don't set attributes on text and comment nodes
256 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 ) {
260 if ( pass && name in jQuery.attrFn ) {
261 return jQuery(elem)[name](value);
264 var notxml = elem.nodeType !== 1 || !jQuery.isXMLDoc( elem ),
265 // Whether we are setting (or getting)
266 set = value !== undefined;
268 // Try to normalize/fix the name
269 name = notxml && jQuery.props[ name ] || name;
271 // Only do all the following if this is a node (faster for style)
272 if ( elem.nodeType === 1 ) {
273 // These attributes require special treatment
274 var special = rspecialurl.test( name );
276 // Safari mis-reports the default selected property of an option
277 // Accessing the parent's selectedIndex property fixes it
278 if ( name === "selected" && !jQuery.support.optSelected ) {
279 var parent = elem.parentNode;
281 parent.selectedIndex;
283 // Make sure that it also works with optgroups, see #5701
284 if ( parent.parentNode ) {
285 parent.parentNode.selectedIndex;
290 // If applicable, access the attribute via the DOM 0 way
291 if ( name in elem && notxml && !special ) {
293 // We can't allow the type property to be changed (since it causes problems in IE)
294 if ( name === "type" && rtype.test( elem.nodeName ) && elem.parentNode ) {
295 throw "type property can't be changed";
298 elem[ name ] = value;
301 // browsers index elements by id/name on forms, give priority to attributes.
302 if ( jQuery.nodeName( elem, "form" ) && elem.getAttributeNode(name) ) {
303 return elem.getAttributeNode( name ).nodeValue;
306 // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
307 // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
308 if ( name === "tabIndex" ) {
309 var attributeNode = elem.getAttributeNode( "tabIndex" );
311 return attributeNode && attributeNode.specified ?
312 attributeNode.value :
313 rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
321 if ( !jQuery.support.style && notxml && name === "style" ) {
323 elem.style.cssText = "" + value;
326 return elem.style.cssText;
330 // convert the value to a string (all browsers do this but IE) see #1070
331 elem.setAttribute( name, "" + value );
334 var attr = !jQuery.support.hrefNormalized && notxml && special ?
335 // Some attributes require a special call on IE
336 elem.getAttribute( name, 2 ) :
337 elem.getAttribute( name );
339 // Non-existent attributes return null, we normalize to undefined
340 return attr === null ? undefined : attr;
343 // elem is actually elem.style ... set the style
344 // Using attr for specific style information is now deprecated. Use style insead.
345 return jQuery.style( elem, name, value );