1 <body> 2 <p> 3 Tests that <code>window.open()</code> does not interpret the missing URL 4 argument as the literal string “undefined”. 5 </p> 6 <p> 7 Click the Test button. A new window should open. To pass the test, the address 8 bar of the new window should be empty. If it contains a URL (ending with “undefined”), WebKit failed the test. 9 </p> 10 <button onclick="window.open()">Test</button> 11 </body> 12