html close window button
<button type="button" onclick="javascript:window.close()"> Name </button>html close window button
<button type="button" onclick="javascript:window.close()"> Name </button>how to run a function when the window is closing javascript
window.onbeforeunload = closingCode;
function closingCode(){
// do something...
return null;
}javascript close window
<!DOCTYPE html>
<html>
<body>
<button onclick="openWin()">Open "myWindow"</button>
<button onclick="closeWin()">Close "myWindow"</button>
<script>
var myWindow;
function openWin() {
myWindow = window.open("", "myWindow", "width=200,height=100");
myWindow.document.write("<p>This is 'myWindow'</p>");
}
function closeWin() {
myWindow.close();
}
</script>
</body>
</html>window closing event js
window.onbeforeunload = function(){
alert("You are now leaving, are you sure?")
}Copyright © 2021 Codeinu
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