testDeepBailFromHasInstance.js (303B)
1 var arr = [Math, Math, Math, Math, {}]; 2 var obj = {}; 3 var x; 4 var result = 'no error'; 5 try { 6 for (var i = 0; i < arr.length; i++) 7 x = (obj instanceof arr[i]); // last iteration throws, triggering deep bail 8 } catch (exc) { 9 result = exc.constructor.name; 10 } 11 assertEq(result, 'TypeError');