X-Git-Url: http://git.roojs.org/?p=roojs1;a=blobdiff_plain;f=Array.js;h=4ede9280a296c2a15fd4edad26ec6f7770ff9ece;hp=18c3aaa13c68f6c87ca7054457c7f0e7d8d07a30;hb=refs%2Fheads%2Fwip_alan_T7160_sort_out_comment_removal_and;hpb=4d9cd83949f3c24871af08cebb30b1f8102ac4c9

diff --git a/Array.js b/Array.js
index 18c3aaa13c..4ede9280a2 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;
     },
@@ -33,5 +34,76 @@ Roo.applyIf(Array.prototype, {
        if(index != -1){
            this.splice(index, 1);
        }
+    },
+    /**
+     * Map (JS 1.6 compatibility)
+     * @param {Function} function  to call
+     */
+    map : function(fun )
+    {
+        var len = this.length >>> 0;
+        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) {
+                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;
+      
     }
-});
\ No newline at end of file
+});