Wed, 31 Dec 2014 06:55:50 +0100
Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2
1 // for-of on an Array consults the prototype chain when it encounters a hole.
3 load(libdir + "iteration.js");
5 var m = {1: 'peek'};
6 var a = [0, , 2, 3];
7 a.__proto__ = m;
8 var log = [];
9 Object.prototype[std_iterator] = Array.prototype[std_iterator];
10 for (var x of a)
11 log.push(x);
12 assertEq(log[1], 'peek');
13 assertEq(log.join(), "0,peek,2,3");