How Can JavaScript Detect Browser or Tab Closure Without Triggering on Link Clicks?

Detecting Browser or Tab Closure

When a user navigates away from a website through a link, it becomes challenging to differentiate that action from closing the browser or a tab. This article explores JavaScript/jQuery solutions to detect browser or tab closure specifically, without being triggered by link clicks.

onunload and onbeforeunload Events

According to our research, the onunload and onbeforeunload events are the only JavaScript options available to detect a tab or window closure. However, these events also activate when a user navigates through links or presses the browser's back button.

Limitations

Unfortunately, JavaScript does not natively provide a way to differentiate between a pure close action and other forms of leaving a website. This limitation stems from security considerations to prevent scripts from locking users on the page and interrupting their browsing experience.

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