js倒数3秒后返回首页，常用于error页面

<p class="time">
    <span id="time" class="red">3</span>s后自动跳转
</p>
<script language="javascript" type="text/javascript"> 
    var i = 3; 
    var intervalid; 
    intervalid = setInterval("back()", 1000); 
    function back() { 
        if (i == 0) { 
            window.location.href = "./"; 
            clearInterval(intervalid); 
        } 
        document.getElementById("time").innerHTML = i; 
        i--; 
    } 
</script> 

赏 支付宝打赏 微信打赏

如果文章或资源对您有帮助，欢迎打赏作者。一路走来，感谢有您！