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

snapwich · netman92 · commit 7555867a2306 · 2015-08-08T12:25:10.000+02:00
Closes angular#11508
diff --git a/src/Angular.js b/src/Angular.js
@@ -200,7 +200,9 @@ 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
`@@ -200,7 +200,9 @@ function isArrayLike(obj) {`
`200`	`200`	`return false;`
`201`	`201`	`}`
`202`	`202`
`203`		`- var length = obj.length;`
	`203`	`+ // Support: iOS 8.2 (not reproducible in simulator)`
	`204`	`+ // "length" in obj used to prevent JIT error (gh-11508)`
	`205`	`+ var length = "length" in Object(obj) && obj.length;`
`204`	`206`
`205`	`207`	`if (obj.nodeType === NODE_TYPE_ELEMENT && length) {`
`206`	`208`	`return true;`