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Center a popup window on screen? these don't work in Chrome w/ multimonitor. The "screen" seems to refer to the entire desktop, not just the current window. I want to center the popup window within the browser. How can I do that? Needs to be cross-browser.
959
Either use jQuery to calc / set the left, or put popup in a container that is full-width, and has text-align: center on it.
In this example first, use the find() method to find out the modal dialog. Then subtract the modal height from the window height and divide that into half and will place the modal that will be the centered(vertically). This solution will dynamically adjust the alignment of the modal.
Your js function, fg_popup_form, is handling the center for you. It runs this function, called window. center(), that centers your popup. However if you don't enter the correct width and height of your popup element, it won't position itself correctly.
Here's a demo (should load Google):
function popupwindow(url, title, w, h) {
wLeft = window.screenLeft ? window.screenLeft : window.screenX;
wTop = window.screenTop ? window.screenTop : window.screenY;
var left = wLeft + (window.innerWidth / 2) - (w / 2);
var top = wTop + (window.innerHeight / 2) - (h / 2);
return window.open(url, title, 'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=no, resizable=no, copyhistory=no, width=' + w + ', height=' + h + ', top=' + top + ', left=' + left);
}<button onclick="popupwindow('http://www.google.com/', 'hello', 400, 400)">
Click
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