jQuery.fn.extend({
attr: function( name, value ) {
- var options = name, isFunction = jQuery.isFunction( value );
+ var elem, options, isFunction = jQuery.isFunction(value);
- if ( typeof name === "string" ) {
- // Are we setting the attribute?
- if ( value === undefined ) {
+ if ( typeof name === "string" ) { // A single attribute
+ if ( value === undefined ) { // Query it on first element
return this.length ?
jQuery.attr( this[0], name ) :
null;
-
- // Convert name, value params to options hash format
- } else {
- options = {};
- options[ name ] = value;
+ } else { // Set it on all elements
+ for ( var i = 0, l = this.length; i < l; i++ ) {
+ elem = this[i];
+ if ( isFunction )
+ value = value.call(elem,i);
+ jQuery.attr( elem, name, value );
+ }
}
- }
-
- // For each element...
- for ( var i = 0, l = this.length; i < l; i++ ) {
- var elem = this[i];
-
- // Set all the attributes
- for ( var prop in options ) {
- value = options[prop];
-
- if ( isFunction ) {
- value = value.call( elem, i );
+ } else { // Multiple attributes to set on all
+ options = name;
+ for ( var i = 0, l = this.length; i < l; i++ ) {
+ elem = this[i];
+ for ( name in options ) {
+ value = options[name];
+ if ( jQuery.isFunction(value) )
+ value = value.call(elem,i);
+ jQuery.attr( elem, name, value );
}
-
- jQuery.attr( elem, prop, value );
}
}
if ( elem ) {
if( jQuery.nodeName( elem, 'option' ) )
return (elem.attributes.value || {}).specified ? elem.value : elem.text;
-
+
// We need to handle select boxes special
if ( jQuery.nodeName( elem, "select" ) ) {
var index = elem.selectedIndex,
}
}
- return values;
+ return values;
}
// Everything else, we just grab the value
},
toggleClass: function( classNames, state ) {
- if( typeof state !== "boolean" )
- state = !jQuery.className.has( this, classNames );
- jQuery.className[ state ? "add" : "remove" ]( this, classNames );
+ var type = typeof classNames;
+ if ( type === "string" ) {
+ // toggle individual class names
+ var isBool = typeof state === "boolean", className, i = 0,
+ classNames = classNames.split( /\s+/ );
+ while ( (className = classNames[ i++ ]) ) {
+ // check each className given, space seperated list
+ state = isBool ? state : !jQuery.className.has( this, className );
+ jQuery.className[ state ? "add" : "remove" ]( this, className );
+ }
+ } else if ( type === "undefined" || type === "boolean" ) {
+ if ( this.className ) {
+ // store className if set
+ jQuery.data( this, "__className__", this.className );
+ }
+ // toggle whole className
+ this.className = this.className || classNames === false ? "" : jQuery.data( this, "__className__" ) || "";
+ }
}
}, function(name, fn){
jQuery.fn[ name ] = function(){
// Using attr for specific style information is now deprecated. Use style insead.
return jQuery.style(elem, name, value);
}
-});
\ No newline at end of file
+});