test-readwrite.html (1197B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8" /> 5 <title>window.performance is read/write</title> 6 <link rel="author" title="Microsoft" href="http://www.microsoft.com/" /> 7 <link rel="help" href="http://www.w3.org/TR/navigation-timing/#sec-window.performance-attribute"/> 8 <meta name="assert" content="The window.performance attribute provides a hosting area for performance related attributes. "/> 9 <script src="/resources/testharness.js"></script> 10 <script src="/resources/testharnessreport.js"></script> 11 <script src="/common/performance-timeline-utils.js"></script> 12 <script src="resources/webperftestharness.js"></script> 13 </head> 14 <body> 15 <h1>Description</h1> 16 <p>This test validates that the window.performance object is read/write.</p> 17 <div id="log"></div> 18 <script> 19 test_namespace(); 20 21 window.performance = 'foo'; 22 test_equals(window.performance, 'foo', 'window.performance is read/write'); 23 24 var performance = 'bar'; 25 test_equals(performance, 'bar', 'var performance is read/write'); 26 </script> 27 </body> 28 </html>