023.html (661B)
1 <!doctype html> 2 <title>Object cloning: own properties only, don't follow prototype</title> 3 <script src="/resources/testharness.js"></script> 4 <script src="/resources/testharnessreport.js"></script> 5 <div id="log"></div> 6 <script> 7 var Parent = function(){ 8 this.c = "xyz"; 9 }; 10 11 var Child = function(a, b) { 12 this.a = a; 13 this.b = b; 14 }; 15 Child.prototype = new Parent; 16 17 async_test(function() { 18 var obj = new Child(1, 2); 19 var ch = new MessageChannel(); 20 ch.port1.onmessage = this.step_func(function(e) { 21 for (var i in e.data.obj) 22 assert_not_equals(i, 'c'); 23 this.done(); 24 }); 25 ch.port2.start(); 26 ch.port2.postMessage({obj: obj}); 27 }); 28 29 </script>