fix(indexOf): use native impl if available

IgorMinar · IgorMinar · commit b6ae6e52f99c · 2012-03-13T14:13:53.000-07:00
diff --git a/src/Angular.js b/src/Angular.js
@@ -503,13 +503,12 @@ function size(obj, ownPropsOnly) {
 
 
 function includes(array, obj) {
-  for ( var i = 0; i < array.length; i++) {
-    if (obj === array[i]) return true;
-  }
-  return false;
+  return indexOf(array, obj) != -1;
 }
 
 function indexOf(array, obj) {
+  if (array.indexOf) return array.indexOf(obj);
+
   for ( var i = 0; i < array.length; i++) {
     if (obj === array[i]) return i;
   }
diff --git a/src/directive/form.js b/src/directive/form.js
@@ -98,11 +98,7 @@ function FormController(name, element) {
   function addControlError(validationToken, control) {
     var queue = errors[validationToken];
     if (queue) {
-      for (var i = 0, length = queue.length; i < length; i++) {
-        if (queue[i] === control) {
-          return;
-        }
-      }
+      if (indexOf(queue, control)) return;
     } else {
       errors[validationToken] = queue = [];
 

Original file line number	Diff line number	Diff line change
`@@ -503,13 +503,12 @@ function size(obj, ownPropsOnly) {`
`503`	`503`
`504`	`504`
`505`	`505`	`function includes(array, obj) {`
`506`		`- for ( var i = 0; i < array.length; i++) {`
`507`		`- if (obj === array[i]) return true;`
`508`		`- }`
`509`		`- return false;`
	`506`	`+ return indexOf(array, obj) != -1;`
`510`	`507`	`}`
`511`	`508`
`512`	`509`	`function indexOf(array, obj) {`
	`510`	`+ if (array.indexOf) return array.indexOf(obj);`
	`511`	`+`
`513`	`512`	`for ( var i = 0; i < array.length; i++) {`
`514`	`513`	`if (obj === array[i]) return i;`
`515`	`514`	`}`