1<script> 2function foo() { 3 var timeout = setTimeout(function() { alert("This should not happen. If you do see this alert, then timers on the page are firing while paused!") }, 0); 4 debugger; 5 clearTimeout(timeout); 6} 7 8setTimeout(foo, 100); 9</script> 10<p>Test for <a href="https://bugs.webkit.org/show_bug.cgi?id=20042">Bug 20042: UI frozen when the debugger is paused</a>.</p> 11<p>Open the inspector and start debugging in the Scripts panel. While paused, try to open the Console. The Console should animate open fully.</p> 12