fix(jqLite): check for "length" in obj in isArrayLike to prevent iOS8 JIT bug from surfacing

snapwich · petebacondarwin · commit 647f3f55eb71 · 2015-05-05T17:55:20.000+01:00
Closes #11508
diff --git a/src/Angular.js b/src/Angular.js
@@ -197,7 +197,9 @@ function isArrayLike(obj) {
     return false;
   }
 
-  var length = obj.length;
+  // Support: iOS 8.2 (not reproducible in simulator)
+  // "length" in obj used to prevent JIT error (gh-11508)
+  var length = "length" in Object(obj) && obj.length;
 
   if (obj.nodeType === NODE_TYPE_ELEMENT && length) {
     return true;

Original file line number	Diff line number	Diff line change
`@@ -197,7 +197,9 @@ function isArrayLike(obj) {`
`197`	`197`	`return false;`
`198`	`198`	`}`
`199`	`199`
`200`		`- var length = obj.length;`
	`200`	`+ // Support: iOS 8.2 (not reproducible in simulator)`
	`201`	`+ // "length" in obj used to prevent JIT error (gh-11508)`
	`202`	`+ var length = "length" in Object(obj) && obj.length;`
`201`	`203`
`202`	`204`	`if (obj.nodeType === NODE_TYPE_ELEMENT && length) {`
`203`	`205`	`return true;`