<!DOCTYPE html>
<html>
<header>
<title>test</title>
</header>
<body>
<h1>test</h1>
</body>
<script>
setInterval(function() {
var startTime = performance.now();
// 设置断点
debugger;
var endTime = performance.now();
// 设置一个阈值，例如100毫秒
if (endTime - startTime > 100) {
window.location.href = 'about:blank';
}
}, 100);
</script>
</html>
标签：Debugger,startTime,跳转,var,performance,100,断点 From： https://www.cnblogs.com/zhulongxu/p/18112960