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i want to open my web application in full screen mode please help me to solve this. i tries with the below code

What I have tried:

function cancelFullScreen(el) {
            var requestMethod = el.cancelFullScreen||el.webkitCancelFullScreen||el.mozCancelFullScreen||el.exitFullscreen;
            if (requestMethod) { // cancel full screen.
            } else if (typeof window.ActiveXObject !== "undefined") { // Older IE.
                var wscript = new ActiveXObject("WScript.Shell");
                if (wscript !== null) {
Updated 14-Mar-20 4:06am
Dave Kreskowiak 14-Mar-20 11:11am
You can't. See that little mention of "ActiveXObject"? That's not supported by any modern browsers any more because of the security risks associated with using it.

You have no way of telling the browser to "fullscreen" at all.
[no name] 14-Mar-20 13:14pm
I tested it with same chrome version you mentioned. Anyway I deleted my answer to avoid giving wrong information.

1 solution

You can't. You have no control over the users browser window.

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