How to Check if a Tab is Active in JavaScript

1 week ago admin Javascript

In this lesson, we will see how to check if a tab is active in JavaScript, sometimes we want to know if the user is still in a tab or he has moved to another one, so how can we do that?


Check if a tab is active

To do that use the code below where we check if the visibility of the tab has changed then we alert a message telling the user that the tab is not active.

                                                    
                                                                                                                
function checkIfTabIsActive() {
if(document.hidden) alert('tab is not active');
}

document.addEventListener("visibilitychange",checkIfTabIsActive);

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