＜a href="javascript:if (confirm('确实要删除吗?')) location.href='del.php'"＞删 除＜/a＞
    ```




 b.页面的刷新 

 
    
    	1.history.go(0) 
    2.location.reload() 
    3.location=location 
    4.location.assign(location) 
    5.document.execCommand('Refresh') 
    6.window.navigate(location) 
    7.location.replace(location) 
    8.document.URL=location.href 
    ```
    	

    		c.页面自动刷新js版 
    	
    	＜html＞
          ＜head＞
    	   ＜title＞刷新＜/title＞
    	   ＜script language="JavaScript"＞ 
    	        function myrefresh() 
    		   { 
    		     location.reload(); 
    		     setTimeout('myrefresh()',1000); //指定1秒刷新一次 
    		   } 
    	   ＜/script＞ 
         ＜/head＞
         ＜body onload="myrefresh();"＞
    	  ＜h2＞刷新一次＜/h2＞
         ＜/body＞
    ＜/html＞
    ```




 d.可以用javascript来进行表单的提交

 
    
    ＜form action="form.php" method="post" name="login_form"＞
    	＜h5＞name＜/h5＞
    	＜input name="name" type="text" /＞ 
    	＜h5＞password＜/h5＞
    	＜input name="password" type="password" /＞ 
    	＜input type="submit" value="submit" /＞ 
    	＜input type="reset" value="reset" /＞ 
    	＜a onclick="javascript:document.login_form.submit();"＞提交＜/a＞ 
    ＜/form＞
    ```
    

    	e.用javascript显示现在的时间 
    
    ＜span id="time"＞＜/span＞
    
    ＜script type="text/javascript"＞ 
    	function getTime()
               { 
    		 var now = new Date(); 
    		 var y=now.getFullYear(); 
    		 var m=now.getMonth(); 
    		 var d=now.getDate(); 
    		 var h=now.getHours(); 
    		 var min=now.getMinutes(); 
    		 var sec=now.getSeconds(); 
    		 var nowtime=y+'年'+m+'月'+d+'日'+' '+h+':'+min+':'+sec; 
    		 document.getElementById('time').innerHTML=nowtime; 
    		 setTimeout('getTime()',1000); 
                } 
    ＜/script＞
    ```


js javascript