sync

[roojs1] / Array.js

diff --git a/Array.js b/Array.js
index 1d8a285..4ede928 100644 (file)
--- a/Array.js
+++ b/Array.js
@@ -42,21 +42,68 @@ 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;
+    } 
+    
+    
+    
     
 });
 
-
- 
+Roo.applyIf(Array, {
+ /**
+     * from
+     * @static
+     * @param {Array} o Or Array like object (eg. nodelist)
+     * @returns {Array} 
+     */
+    from : function(o)
+    {
+        var ret= [];
+    
+        for (var i =0; i < o.length; i++) { 
+            ret[i] = o[i];
+        }
+        return ret;
+      
+    }
+});