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( value, stateVal ) {
97 var type = typeof value, isBool = typeof stateVal === "boolean";
99 if ( jQuery.isFunction( value ) ) {
100 return this.each(function(i) {
101 var self = jQuery(this);
102 self.toggleClass( value.call(this, i, self.attr("class")), stateVal );
106 return this.each(function() {
107 if ( type === "string" ) {
108 // toggle individual class names
109 var className, i = 0, self = jQuery(this),
111 classNames = value.split( rspace );
113 while ( (className = classNames[ i++ ]) ) {
114 // check each className given, space seperated list
115 state = isBool ? state : !self.hasClass( className );
116 self[ state ? "addClass" : "removeClass" ]( className );
119 } else if ( type === "undefined" || type === "boolean" ) {
120 if ( this.className ) {
121 // store className if set
122 jQuery.data( this, "__className__", this.className );
125 // toggle whole className
126 this.className = this.className || value === false ? "" : jQuery.data( this, "__className__" ) || "";
131 hasClass: function( selector ) {
132 var className = " " + selector + " ";
133 for ( var i = 0, l = this.length; i < l; i++ ) {
134 if ( (" " + this[i].className + " ").replace(rclass, " ").indexOf( className ) > -1 ) {
142 val: function( value ) {
143 if ( value === undefined ) {
147 if ( jQuery.nodeName( elem, "option" ) ) {
148 return (elem.attributes.value || {}).specified ? elem.value : elem.text;
151 // We need to handle select boxes special
152 if ( jQuery.nodeName( elem, "select" ) ) {
153 var index = elem.selectedIndex,
155 options = elem.options,
156 one = elem.type === "select-one";
158 // Nothing was selected
163 // Loop through all the selected options
164 for ( var i = one ? index : 0, max = one ? index + 1 : options.length; i < max; i++ ) {
165 var option = options[ i ];
167 if ( option.selected ) {
168 // Get the specifc value for the option
169 value = jQuery(option).val();
171 // We don't need an array for one selects
176 // Multi-Selects return an array
177 values.push( value );
184 // Handle the case where in Webkit "" is returned instead of "on" if a value isn't specified
185 if ( rradiocheck.test( elem.type ) && !jQuery.support.checkOn ) {
186 return elem.getAttribute("value") === null ? "on" : elem.value;
190 // Everything else, we just grab the value
191 return (elem.value || "").replace(rreturn, "");
198 // Typecast once if the value is a number
199 if ( typeof value === "number" ) {
205 return this.each(function(i) {
206 var self = jQuery(this);
208 if ( jQuery.isFunction(value) ) {
209 val = value.call(this, i, self.val());
211 // Typecast each time if the value is a Function and the appended
212 // value is therefore different each time.
213 if ( typeof val === "number" ) {
218 if ( this.nodeType !== 1 ) {
222 if ( jQuery.isArray(val) && rradiocheck.test( this.type ) ) {
223 this.checked = jQuery.inArray( self.val(), val ) >= 0;
225 } else if ( jQuery.nodeName( this, "select" ) ) {
226 var values = jQuery.makeArray(val);
228 jQuery( "option", this ).each(function() {
229 this.selected = jQuery.inArray( self.val(), values ) >= 0;
232 if ( !values.length ) {
233 this.selectedIndex = -1;
255 attr: function( elem, name, value, pass ) {
256 // don't set attributes on text and comment nodes
257 if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 ) {
261 if ( pass && name in jQuery.attrFn ) {
262 return jQuery(elem)[name](value);
265 var notxml = elem.nodeType !== 1 || !jQuery.isXMLDoc( elem ),
266 // Whether we are setting (or getting)
267 set = value !== undefined;
269 // Try to normalize/fix the name
270 name = notxml && jQuery.props[ name ] || name;
272 // Only do all the following if this is a node (faster for style)
273 if ( elem.nodeType === 1 ) {
274 // These attributes require special treatment
275 var special = rspecialurl.test( name );
277 // Safari mis-reports the default selected property of an option
278 // Accessing the parent's selectedIndex property fixes it
279 if ( name === "selected" && !jQuery.support.optSelected ) {
280 var parent = elem.parentNode;
282 parent.selectedIndex;
284 // Make sure that it also works with optgroups, see #5701
285 if ( parent.parentNode ) {
286 parent.parentNode.selectedIndex;
291 // If applicable, access the attribute via the DOM 0 way
292 if ( name in elem && notxml && !special ) {
294 // We can't allow the type property to be changed (since it causes problems in IE)
295 if ( name === "type" && rtype.test( elem.nodeName ) && elem.parentNode ) {
296 throw "type property can't be changed";
299 elem[ name ] = value;
302 // browsers index elements by id/name on forms, give priority to attributes.
303 if ( jQuery.nodeName( elem, "form" ) && elem.getAttributeNode(name) ) {
304 return elem.getAttributeNode( name ).nodeValue;
307 // elem.tabIndex doesn't always return the correct value when it hasn't been explicitly set
308 // http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
309 if ( name === "tabIndex" ) {
310 var attributeNode = elem.getAttributeNode( "tabIndex" );
312 return attributeNode && attributeNode.specified ?
313 attributeNode.value :
314 rfocusable.test( elem.nodeName ) || rclickable.test( elem.nodeName ) && elem.href ?
322 if ( !jQuery.support.style && notxml && name === "style" ) {
324 elem.style.cssText = "" + value;
327 return elem.style.cssText;
331 // convert the value to a string (all browsers do this but IE) see #1070
332 elem.setAttribute( name, "" + value );
335 var attr = !jQuery.support.hrefNormalized && notxml && special ?
336 // Some attributes require a special call on IE
337 elem.getAttribute( name, 2 ) :
338 elem.getAttribute( name );
340 // Non-existent attributes return null, we normalize to undefined
341 return attr === null ? undefined : attr;
344 // elem is actually elem.style ... set the style
345 // Using attr for specific style information is now deprecated. Use style insead.
346 return jQuery.style( elem, name, value );