splice-call-plain-object-590780.js (228B)
1 var o = { 0: 1, 1: 2, 2: 3, length: 3 }; 2 Array.prototype.splice.call(o, 0, 1); 3 4 assertEq(o[0], 2); 5 assertEq(o[1], 3); 6 assertEq(Object.getOwnPropertyDescriptor(o, 2), undefined); 7 assertEq("2" in o, false); 8 assertEq(o.length, 2);