test_bug698551.html (1066B)
1 <!DOCTYPE HTML> 2 <html> 3 <!-- 4 https://bugzilla.mozilla.org/show_bug.cgi?id=698551 5 --> 6 <head> 7 <title>Test for Bug 698551</title> 8 <script src="/tests/SimpleTest/SimpleTest.js"></script> 9 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> 10 </head> 11 <body> 12 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=698551">Mozilla Bug 698551</a> 13 <p id="display"></p> 14 <div id="content" style="display: none"> 15 16 </div> 17 <pre id="test"> 18 <script type="application/javascript"> 19 20 /** Test for Bug 698551 */ 21 var l = document.getElementsByTagName("body"); 22 var it = Object.getPrototypeOf(l).item; 23 Object.defineProperty(Object.getPrototypeOf(l), "item", 24 { 25 get() { return it; }, 26 }); 27 Object.defineProperty(Object.getPrototypeOf(l), "foopy", 28 { 29 get() { return this[0]; }, 30 }); 31 is(l.foopy, document.body, 32 "Should end up with the body correctly when getting via [0]"); 33 is(l.item(0), document.body, 34 "Should end up with the body correctly when getting via .item(0)"); 35 is(l.length, 1, "Should have one body"); 36 </script> 37 </pre> 38 </body> 39 </html>