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<html>
<head>
<style>
div.block { height: 100px; border: 1px solid black; margin:10px; }
</style>
<script>
var resizecount = 0;
var loaded = false;
window.onresize = function() {
resizecount++;
document.getElementById('count1').innerHTML = resizecount;
}
</script>
</head>
<body>
<div>
Test how many resize events are emitted during page load and dynamic content generation.
Do not resize the page. It invalidates the test.
<p style="text-indent: 10px" id=result1>
Resize events (should be 0 or 1): <span id=count1>0</span>
</div>
<div id=expandingblock>
</div>
<script>
var blockcount = 0;
function addBlock() {
var el = document.createElement('div');
el.setAttribute('class','block');
document.getElementById('expandingblock').appendChild(el);
if (++blockcount < 30)
setTimeout(addBlock, 20);
else
finish();
}
function finish() {
var result;
// 0 or 1 resize events are acceptable.
if (resizecount < 2)
result = '<p style="color: green">PASS';
else
result = '<p style="color: red">FAIL';
var resultElement = document.getElementById('result1')
resultElement.innerHTML += result;
}
onload = addBlock;
</script>
</body>
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