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 );
}
}
jQuery.className[ state ? "add" : "remove" ]( this, className );
}
} else if ( type === "undefined" || type === "boolean" ) {
- // toggle whole className
- if ( this.className || classNames === false ) {
+ if ( this.className ) {
+ // store className if set
jQuery.data( this, "__className__", this.className );
- this.className = "";
- } else {
- this.className = jQuery.data( this, "__className__" ) || "";
}
+ // toggle whole className
+ this.className = this.className || classNames === false ? "" : jQuery.data( this, "__className__" ) || "";
}
}
}, function(name, fn){
// Using attr for specific style information is now deprecated. Use style insead.
return jQuery.style(elem, name, value);
}
-});
\ No newline at end of file
+});