Say Java

Recently I came across this problem.I was creating a web application where users were supposed to save their work before logging out.While testing, it turned out that many users closed their browsers instead of logging out. To solve this, I googled the problem and found out that this was a very common problem. I just used below java script code in my webpage's header. Q. How to detect browser closing event and save your data Ans: The onunload event gets fired when the browser is closed or refreshed(using F5 or the refresh button). So now It turns out that the data was getting saved unnecessarily on refreshing the page. For that I stumbled across a forum where I found the solution.(It works for IE only) Q.How to disable function key F5? Ans: document.attachEvent("onkeydown", my_onkeydown_handler); function my_onkeydown_handler() { switch (event.keyCode) { case 116 : // 'F5' event.retur...