X-Git-Url: http://git.roojs.org/?a=blobdiff_plain;f=Array.js;h=a3b684d73e3b0d28b3aac55260f907e9de402f4d;hb=8946284bad10596673ce59afe8ef1ea49ba0b790;hp=416f2f4e48198649f8c628c53088cdfe25cab13b;hpb=24af13261fef7d26a66e03cd1d55d1d103330d94;p=roojs1

diff --git a/Array.js b/Array.js
index 416f2f4e48..a3b684d73e 100644
--- a/Array.js
+++ b/Array.js
@@ -13,13 +13,14 @@
  */
 Roo.applyIf(Array.prototype, {
     /**
+     * 
      * Checks whether or not the specified object exists in the array.
      * @param {Object} o The object to check for
      * @return {Number} The index of o in the array (or -1 if it is not found)
      */
     indexOf : function(o){
        for (var i = 0, len = this.length; i < len; i++){
- 	      if(this[i] == o) return i;
+ 	      if(this[i] == o) { return i; }
        }
  	   return -1;
     },
@@ -41,21 +42,48 @@ Roo.applyIf(Array.prototype, {
     map : function(fun )
     {
         var len = this.length >>> 0;
-        if (typeof fun != "function")
+        if (typeof fun != "function") {
             throw new TypeError();
-
+        }
         var res = new Array(len);
         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;
     }
-    
 });
 
 
- 
\ No newline at end of file
+