jeena/en.javascript.info
1
0
Fork 0
Code Issues Pull requests Projects Packages Wiki Activity Actions

components

Browse source
This commit is contained in:
Ilya Kantor 2019-04-02 14:01:44 +03:00
parent 304d578b54
commit 6fb4aabcba
344 changed files with 669 additions and 406 deletions
Download patch file Download diff file Expand all files Collapse all files

19
2-ui/5-loading/02-script-async-defer/window-onbeforeunload.view/index.html Normal file
View file

@ -0,0 +1,19 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
</head>
<body>
<script>
function setHandler() {
window.onbeforeunload = function() {
return "There are unsaved changes. Leave now?";
};
}
</script>
<button onclick="setHandler()">Set window.onbeforeunload</button>
<a href="http://example.com">Leave for EXAMPLE.COM</a>
</body>
</html>