wpt/css/css-display/display-change-iframe.html at master · web-platform-tests/wpt

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<!DOCTYPE html>

<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>

var loaded_once = false;

victim.onload = function() {

// The child document should only load once. It should not be reloaded

// by changing the display type of the IFRAME.

if (loaded_once)

return;

loaded_once = true;

var childDoc = victim.contentWindow.document;

// Change the red background to green. This will revert back to red if

// the document gets reloaded (which shouldn't happen) when re-attaching

// #victim.

childDoc.getElementById("square").style.background = "green";

document.offsetTop;

victim.style.display = "block";

document.documentElement.className = "";

}

</script>

</html>