Joh*_*ard 10 javascript jquery
这段代码在Firefox上运行良好,但我不能让unload事件在Chrome上运行.Chrome是否停止支持卸载事件?
这是我的代码:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script type="text/javascript" src="../jquery/jquery.js"></script>
<script type="text/javascript">
function pageHidden(evt) { alert("Are you sure 1?"); } //WORKS ON FIREFOX BUT NOT IN CHROME
window.addEventListener("pagehide", pageHidden, false);
window.onunload = function () { alert("Are you sure 2?"); } //TRIGGERS ON LOAD NOT ON UNLOAD
$(window).unload(function () { //WORKS ON FIREFOX BUT NOT IN CHROME
alert("Are you sure 3?");
});
</script>
</head>
<body>
TEST WEBSITE
<a href="http://www.iamawesome.com">external link</a>
</body>
</html>
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如何让unload事件在Chrome中运行?
谢谢!
解答:不要使用警报测试卸载事件;)
Roc*_*mat 14
window.onunload = alert("Are you sure 2?");
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这是不正确的.您正在设置onunload结果alert,您需要将其设置为一个函数:
window.onunload = function(){
alert("Are you sure?");
}
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如果你想使用jQuery,这将适用于所有浏览器.
$(window).unload(function () {
alert("Are you sure?");
});
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注意:它可能看起来不适用于Chrome,但确实如此.那是因为Chrome阻止alert了onunload事件.