test_bug874758.html (919B)
1 <!DOCTYPE HTML> 2 <html data-expando-prop="xyz"> 3 <!-- 4 https://bugzilla.mozilla.org/show_bug.cgi?id=874758 5 --> 6 <head> 7 <meta charset="utf-8"> 8 <title>Test for Bug 874758</title> 9 <script src="/tests/SimpleTest/SimpleTest.js"></script> 10 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> 11 <script type="application/javascript"> 12 13 /** Test for Bug 874758 */ 14 Object.prototype.expandoProp = 5; 15 is({}.expandoProp, 5, "Should see this on random objects"); 16 17 is(document.head.dataset.expandoProp, 5, "Should see this on dataset too"); 18 is(document.documentElement.dataset.expandoProp, "xyz", 19 "But if the dataset has it, we should get it from there"); 20 </script> 21 </head> 22 <body> 23 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=874758">Mozilla Bug 874758</a> 24 <p id="display"></p> 25 <div id="content" style="display: none"> 26 27 </div> 28 <pre id="test"> 29 </pre> 30 </body> 31 </html>