<!doctype html> | |
<title>Prompt when beforeunload is canceled</title> | |
<script> | |
addEventListener("beforeunload", | |
function(e) {e.preventDefault()}, | |
false); | |
</script> | |
<p>When clicking the link below, you should get a prompt asking if you want to unload the document</p> | |
<a href="next.html">Click here</a> |