$.inArray doesn't crush IE6 and Chrome if second argument is null o…

…r `undefined`
jquery · Aug 17, 2011 · 9c18eb2c15a762b4f3137fef9897914c80083a89 · 9c18eb2
1 parent 2053d1c
commit 9c18eb2c15a762b4f3137fef9897914c80083a89
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/core.js b/src/core.js
@@ -678,6 +678,10 @@ jQuery.extend({
 	},
 
 	inArray: function( elem, array ) {
+		if (!jQuery.isArray(array))
+		{
+			return -1;
+		}
 
 		if ( indexOf ) {
 			return indexOf.call( array, elem );