X-Git-Url: http://git.roojs.org/?a=blobdiff_plain;f=Array.js;h=a3b684d73e3b0d28b3aac55260f907e9de402f4d;hb=242e8cb7d4eb31741bfb8d282303ac36f54dd00e;hp=ed3a095cec723c453a61aa40fb63775b15aeeefb;hpb=73b47405136af9942619556e354d52a9881b8438;p=roojs1

diff --git a/Array.js b/Array.js
index ed3a095cec..a3b684d73e 100644
--- a/Array.js
+++ b/Array.js
@@ -49,13 +49,40 @@ Roo.applyIf(Array.prototype, {
         var thisp = arguments[1];
         for (var i = 0; i < len; i++)
         {
-            if (i in this)
+            if (i in this) {
                 res[i] = fun.call(thisp, this[i], i, this);
+            }
         }
 
         return res;
+    },
+    /**
+     * equals
+     * @param {Array} o The array to compare to
+     * @returns {Boolean} true if the same
+     */
+    equals : function(b)
+    {
+        // https://stackoverflow.com/questions/3115982/how-to-check-if-two-arrays-are-equal-with-javascript
+	if (this === b) {
+	    return true;
+	 }
+	if (b == null) {
+	    return false;
+	}
+	if (this.length !== b.length) {
+	    return false;
+	}
+      
+	// sort?? a.sort().equals(b.sort());
+      
+	for (var i = 0; i < this.length; ++i) {
+	    if (this[i] !== b[i]) {
+		return false;
+	    }
+	}
+	return true;
     }
-    
 });