Detect Popup Blocker: Popup Blocker Detection for Chrome + all browsers

Popup blocker detection for all major browsers including Chrome....

	var isPopupBlocked = function() {
	var isBlocked,
	popup = window.open('about:blank', 'popup_test','width=5, height=5, left=0, top=0');
	// pop under
	if(popup) popup.blur();
	window.focus();
	isBlocked = !popup || typeof popup == 'undefined' || typeof popup.closed=='undefined' || popup.closed || popup.innerHeight == 0;
	if(popup) popup.close();
	return isBlocked;
	};

view raw isPopupBlocked.js hosted with ❤ by GitHub

Chrome popup blocker detection is a little different to others in that Chrome returns a valid window object after calling window.open, even with popups being disabled. There are a heap of posts around all basically stating that to determine whether this window object has been blocked by Chrome, we need to test whether the innerHeight of the popup has been set to 0.