Javascript prashnayak :/

[NJack]

page ekaka refresh button ekak ebuwama, alert ekak danna barida bn "Refresh karanna epa data loss wei " kiyala wage

 

[TNHM]

puluwan. Google karala balanna

 

[mtmadushanka]

 

[bitch_please]

<script type="text/javascript">
window.onbeforeunload = function() {
return "Are You Sure You want to Refresh, Data Might be lost!!";
}
</script>

 

[NJack]

ela ela aula hadagaththa Thanks