js定时跳转

在项目中有时会用到定时跳转，自己收藏了一个比较好用的###

js写的，不依赖jQuery

    <script type="text/javascript">
          function countDown(secs,surl){
            var jumpTo = document.getElementById('jumpTo');
            jumpTo.innerHTML=secs;
            if(--secs>0){
              setTimeout("countDown("+secs+",'"+surl+"')",1000);
            }else{
              location.href=surl;
            }
          }
        </script>

        <span id="jumpTo">5</span>秒后自动跳转到<a href='/'>首页</a>
        <script type="text/javascript">countDown(5,'/');</script> 

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