jsブラウザクローズor更新
6863 ワード
jsブラウザクローズor更新
<html>
<head>
<meta charset="utf-8">
<title> or title>
head>
<body>
<input type="button" onclick="disp_confirm()" value="Display a confirm box" />
<script type="text/javascript">
function disp_confirm() {
localStorage.setItem("text", "111111111111111111111111")
}
var time = {
beginTime: 0,// onbeforeunload
differTime: 0//
}
window.onunload = function () {
time.differ = new Date().getTime() - time.begin;
if (time.differ <= 3) {
localStorage.clear();
} else {
console.log(" ")
}
}
window.onbeforeunload = function () {
time.begin = new Date().getTime();
};
script>
body>
html>