In this article, I'll show you how to find out when users change tabs in browsers using JavaScript.... Tagged with javascript, webdev, tutorial, beginners.

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This article will show you how to find out when users switch tabs in browsers using JavaScript. It's going to be fun, it's helpful to see how often the user loses his attention. You can even use it to add the data to the database.

Detect When Users Switch Tabs using JavaScript

made a custom hook for React developers. Hook return true / false regarding if tab is active or not
<pre><code class="language-export"> const [visibilityState, setVisibilityState] = useState(true);

 const handleVisibilityChange = useCallback(() => {
 setVisibilityState(document.visibilityState === "visible");
 }, []);

 useEffect(() => {
 document.addEventListener("visibilitychange", handleVisibilityChange);
 return () => {
 document.removeEventListener("visibilitychange", handleVisibilityChange);
 };
 }, [handleVisibilityChange]);

 return visibilityState;
}; ```</code></pre>

Useful for spotting cheaters in student quizz :)

Very handy, should be good for turning off/resuming background page updates and reduce sever traffic.