如何使用javascript刪除cookie

您好，我試圖刪除我的應用程序中的cookie。我在這裏寫的代碼是在鉻合金工作一切正常。我得到的問題是在Opera瀏覽器中刪除cookie，但應用程序正在重新啓動。 plz幫我....... 代碼：如何使用javascript刪除cookie

------------------------------- imports- -----------------

<html> 
<head> 
    <title> Report Generation</title> 
</head> 
<script>  
    window.onload=function(){checkCookie();} 
    function close(){ formName.close();} 

    function checkCookie() 
    { 
    <% 
     PracticeDBHandler practiceDBHandler1 = new PracticeDBHandler(); 
     ArrayList<PracticeBean> listPractice1 = practiceDBHandler1.getPracticeList(WFDBPool); 

     for (PracticeBean practiceBean1 : listPractice1) { 
      int pr_id1 = practiceBean1.getPr_id(); 
      String pr_name1 = practiceBean1.getPracticeName(); 
    %> 


      var cookiename=getCookie(<%=pr_id1%>); 

      if (cookiename!=null && cookiename!="") 
      { 
       document.getElementById(<%=pr_id1%>).checked=true; 
      } 
      else 
      { 
       document.getElementById(<%=pr_id1%>).checked=false; 

      } 
    <% }%> 
     } 

     function getCookie(c_name) 
     { 
      var i,x,y,ARRcookies=document.cookie.split(";"); 
      for (i=0;i<ARRcookies.length;i++) 
      { 
       x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("=")); 
       y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1); 
       x=x.replace(/^\s+|\s+$/g,""); 
       if (x==c_name) 
       { 
        return unescape(y); 
       } 
      } 
     } 

     function checkBoxes(){ 
      var result, vals = [], checkBoxName = document.forms['formName']['checkBoxName[]']; 
      for(var i=0,elm;elm = checkBoxName[i];i++) { 
       if(elm.checked) {     
        document.cookie=elm.value + "=" + "Value"; 
       } 
       else if(!elm.checked){ 
        var exp=new Date(); 
        exp.setTime(exp.getTime()-1); 
        document.cookie = elm.value + "=" +"Value" + ";expires=" + exp.toGMTString(); 


       } 
      } 
      result = vals.join(', '); 
     } 
</script> 
<body> 
    <form name="formName"> 
       <% 
      PracticeDBHandler practiceDBHandler = new PracticeDBHandler(); 
      ArrayList<PracticeBean> listPractice = practiceDBHandler.getPracticeList(WFDBPool); 

      for (PracticeBean practiceBean : listPractice) { 
       int pr_id = practiceBean.getPr_id(); 
       String pr_name = practiceBean.getPracticeName(); 

     %>      
     <input type="checkbox" name="checkBoxName[]" value="<%=pr_id%>" id="<%=pr_id%>"/> <%=pr_name%> (<%=pr_id%>)<br> 
     <% }%><br> 
     <input type="button" onclick="checkBoxes()" value="Save"/> 
     </form> 
</body> 
</html>

來源

2013-03-22 user2198239

可能重複（HTTP ：//stackoverflow.com/questions/2144386/javascript-delete-cookie） – 2013-03-22 07:50:31

以下功能將做的工作適合你：

function deleteCookie(name) 
{ 
    document.cookie = name + '=; expires=Thu, 01 Jan 1970 00:00:01 GMT;'; 
}

[JavaScript的 - 刪除Cookie]的

來源

2014-03-06 09:18:00 WoIIe

如何使用javascript刪除cookie

回答

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