<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>tryCatch</title>
<script>
function message() {
try {
adddlert("Welcome guest!");
} catch (err) {
let txt = "";
txt = "本页有一个错误。\n\n";
txt += "错误描述：" + err.message + "\n\n";
txt += "点击确定继续。\n\n";
alert(txt);
}
}
</script>
</head>
<body>
<input type="button" value="查看消息" onclick="message()"/>
</body>
</html>
js tryCatch.html
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转载自blog.csdn.net/weixin_42193179/article/details/90904795
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