javascript

JS自动刷新页面一次 

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<script type="text/javascript">  
    //刷新页面  
    if(location.href.indexOf("refresh=1") === -1) {  
           setTimeout(function() {  
             location = location.href + "?refresh=1"  
           },1)  
    }  
</script>

或者

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<script type="text/javascript">  
    //刷新页面  
    function refreshOnce(){  
           if (location.href.indexOf("?xyz=") < 0) {  
                 location.href = location.href + "?xyz=" + Math.random();  
            }  
     }  
</script>   
          
<body onload="refreshOnce()">