( this.length ? this[0].innerHTML : null ) :
this.empty().append( val );
},
+
+ slice: function() {
+ return this.pushStack( Array.prototype.slice.apply( this, arguments ) );
+ },
/**
* @private
*/
jQuery.extend = jQuery.fn.extend = function() {
// copy reference to target object
- var target = arguments[0], a = 1;
+ var target = arguments[0] || {}, a = 1, al = arguments.length;
// extend jQuery itself if only one argument is passed
- if ( arguments.length == 1 ) {
+ if ( al == 1 ) {
target = this;
a = 0;
}
+
var prop;
- while ( (prop = arguments[a++]) != null )
- // Extend the base object
- for ( var i in prop ) target[i] = prop[i];
+
+ for ( ; a < al; a++ )
+ // Only deal with non-null/undefined values
+ if ( (prop = arguments[a]) != null )
+ // Extend the base object
+ for ( var i in prop ) {
+ // Prevent never-ending loop
+ if ( target == prop[i] )
+ continue;
+
+ // Recurse if we're merging object values
+ if ( typeof prop[i] == 'object' && target[i] )
+ jQuery.extend( target[i], prop[i] );
+
+ // Don't bring in undefined values
+ else if ( prop[i] != undefined )
+ target[i] = prop[i];
+ }
// Return the modified object
return target;
*/
// args is for internal usage only
each: function( obj, fn, args ) {
- if ( obj.length == undefined )
- for ( var i in obj )
- fn.apply( obj[i], args || [i, obj[i]] );
- else
- for ( var i = 0, ol = obj.length; i < ol; i++ )
- if ( fn.apply( obj[i], args || [i, obj[i]] ) === false ) break;
+ if ( args ) {
+ if ( obj.length == undefined )
+ for ( var i in obj )
+ fn.apply( obj[i], args );
+ else
+ for ( var i = 0, ol = obj.length; i < ol; i++ )
+ if ( fn.apply( obj[i], args ) === false ) break;
+
+ // A special, fast, case for the most common use of each
+ } else {
+ if ( obj.length == undefined )
+ for ( var i in obj )
+ fn.call( obj[i], i, obj[i] );
+ else
+ for ( var i = 0, ol = obj.length, val = obj[0];
+ i < ol && fn.call(val,i,val) !== false; val = obj[++i] );
+ }
+
return obj;
},
// then some display: none elements are involved
else {
// Locate all of the parent display: none elements
- for ( var a = elem; color(a); a = a.parentNode )
+ for ( var a = elem; a && color(a); a = a.parentNode )
stack.unshift(a);
// Go through and make them visible, but in reverse
!s.indexOf("<leg") &&
[1, "<fieldset>", "</fieldset>"] ||
- (!s.indexOf("<thead") || !s.indexOf("<tbody") || !s.indexOf("<tfoot") || !s.indexOf("<colg")) &&
+ s.match(/^<(thead|tbody|tfoot|colg|cap)/) &&
[1, "<table>", "</table>"] ||
!s.indexOf("<tr") &&
[3, "<table><tbody><tr>", "</tr></tbody></table>"] ||
!s.indexOf("<col") &&
- [2, "<table><colgroup>", "</colgroup></table>"] ||
+ [2, "<table><tbody></tbody><colgroup>", "</colgroup></table>"] ||
+
+ // IE can't serialize <link> and <script> tags normally
+ jQuery.browser.msie &&
+ [1, "div<div>", "</div>"] ||
[0,"",""];
// Move to the right depth
while ( wrap[0]-- )
- div = div.firstChild;
+ div = div.lastChild;
// Remove IE's autoinserted <tbody> from table fragments
if ( jQuery.browser.msie ) {
merge: function(first, second) {
// We have to loop this way because IE & Opera overwrite the length
// expando of getElementsByTagName
- for ( var i = 0; second[i]; i++ )
- first.push(second[i]);
+
+ // Also, we need to make sure that the correct elements are being returned
+ // (IE returns comment nodes in a '*' query)
+ if ( jQuery.browser.msie ) {
+ for ( var i = 0; second[i]; i++ )
+ if ( second[i].nodeType != 8 )
+ first.push(second[i]);
+ } else
+ for ( var i = 0; second[i]; i++ )
+ first.push(second[i]);
+
return first;
},
var ret = jQuery.map(this,n);
if ( a && typeof a == "string" )
ret = jQuery.multiFilter(a,ret);
- return this.pushStack( ret );
+ return this.pushStack( jQuery.unique(ret) );
};
});