
<body>
Test that click() on checkboxes is not slow.<br><input type=checkbox id=cb>
<script>
if (window.testRunner)
    testRunner.dumpAsText();
    
var starttime = new Date().getTime();
var cb = document.getElementById('cb');
for (n=0; n<100; n++) {
    cb.click();
}
var endtime = new Date().getTime() - starttime
document.write("<br>" + (endtime > 2000 ? "FAIL, took more than 2s to click() 100 times" : "PASS"));
</script>
</body>