},
wrapAll: function( html ) {
- if ( this[0] )
+ if ( this[0] ) {
// The elements to wrap the target around
- jQuery( html, this[0].ownerDocument )
- .clone()
- .insertBefore( this[0] )
- .map(function(){
- var elem = this;
-
- while ( elem.firstChild )
- elem = elem.firstChild;
-
- return elem;
- })
- .append(this);
+ var wrap = jQuery( html, this[0].ownerDocument ).clone();
+
+ if ( this[0].parentNode )
+ wrap.insertBefore( this[0] );
+
+ wrap.map(function(){
+ var elem = this;
+
+ while ( elem.firstChild )
+ elem = elem.firstChild;
+
+ return elem;
+ }).append(this);
+ }
return this;
},