系统将在5秒内自动返回首页JavaScript代码

<script>
	var s = 5;
	window.onload = function () {
		setTimeout(function () {
			window.location.href = "https://www.0536360.com/";
		}, 5000);
		setInterval(function () {
			if (s > 0)
				s = s - 1;
			document.getElementById("p_s").innerHTML = "系统将在" + s + "秒内自动返回首页";

		}, 1000);
	}
</script>
<p id="p_s">系统将在5秒内自动返回首页</p>