window-screen-width-immutable.html (936B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <title>CSSOM View - 4.2 - screen.width immutability</title> 5 <link rel="author" title="Neils Christoffersen" href="mailto:neils.christoffersen@gmail.com"> 6 <link rel="help" href="http://www.w3.org/TR/cssom-view/#the-screen-interface"> 7 <meta name="flags" content="dom"> 8 <meta name="assert" content="screen.width is immutable"> 9 <script src="/resources/testharness.js"></script> 10 <script src="/resources/testharnessreport.js"></script> 11 </head> 12 <body> 13 <div id="myDiv"></div> 14 <div id="log"></div> 15 <script> 16 var originalVal = window.screen.width; 17 18 // try to set window.screen.width 19 window.screen.width = 0; 20 21 // verify window.screen.width didn't change 22 test(function() { 23 assert_equals(window.screen.width, originalVal, "window.screen.width should be immutable") 24 }, "immutability test"); 25 </script> 26 </body> 27 </html>