Detailed explanation of the example of JS monitoring and closing browser operation
The requirements are as follows:
The user closes the browser notification background.
The plan is as follows:
1. Use js monitoring to close the browser operation.
2. When the user closes the browser, sends ajax request to the background and performs corresponding business operations.
The code is as follows:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http:///TR/html4/">
<html>
<head>
<title> New Document </title>
<meta name="Generator" content="EditPlus">
<meta name="Author" content="">
<meta name="Keywords" content="">
<meta name="Description" content="">
</head>
<body>
<script type="text/javascript">
= onbeforeunload_handler;
= onunload_handler;
function onbeforeunload_handler(){
var warning="Confirm to close?";
//Your business operations. . . . return warning;
}
function onunload_handler(){
var warning="Thank you for coming";
//Your business operations. . . . alert(warning);
}
</script>
</body>
</html>
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