Īnd so pop should return true if the popup opens. If the popup opens, then popup shouldn’t be null and it shouldn’t be undefined. Then we return is popup isn’t null and popup isn’t undefined. We call window.open with the url as the first argument and a string with some settings as the 3rd argument. įor instance, we can check if a popup window is blocked by writing: const pop = (url, w, h) => console.log(pop('')) We can check if a popup is blocked by checking if window.open returns null or undefined. Therefore, we should call window.open within synchronous functions run as a result of direct user action to avoid the popup permission popup from showing in any browser. The depth of the call chain may also matter since some older browsers requires permission is window.open isn't called by the function that’s run immediately after a user action. ![]() This is because, a popup can only be opened from an app without permission with direct user action. To avoid the permission popup for opening the popup, we should use avoid calling window.open in a function that returns a promise or in callbacks for functions like setTimeout, setInterval, or any other async function. Avoid Calling window.open in Async Functions In this article, we’ll look at how to avoid browser popup blockers within our JavaScript code. Sometimes when we try to open a window with the window.open method, we may see the browser permission popup asking for permission to open the popup created by window.open.
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