prevent accidental ctrl-w window closure

9 years ago · 2bfe03545d
1 changed files with 6 additions and 0 deletions
--- a/public/index.html
+++ b/public/index.html
@ -25,6 +25,12 @@
 <body>
    <div id="terminal"></div>
 	<script type="application/javascript">
 window.addEventListener('beforeunload', function(e) {
 	e.returnValue = "Are you sure?";
 	return e.returnValue;
 });
 	</script>
 </body>
 </html>