Popover overhall - with example

[roojs1] / Array.js

diff --git a/Array.js b/Array.js
index 4095aee..a3b684d 100644 (file)
--- a/Array.js
+++ b/Array.js
@@ -55,8 +55,34 @@ Roo.applyIf(Array.prototype, {
         }
 
         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;
     }
-    
 });