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js Cookie

<html>

  <head>

    <script language="javascript">

      function Window_Load(){

       setCookie("name","111"); //临时cookie

       setCookie("age","222",24 * 7);  //保存7天

       setCookie("address","333",24,"/"); //保存1天,path为根目录



       //设定cookie为安全的(secure=true),只能在HTTPS或与其他安全协议

       //连接在一起的时候才被传输

       setCookie("phone","444",24,"/",".",false);

       alert(document.cookie);

       alert(getCookie("age"));



       //删除名称为"age"的cookie

       removeCookie("age")

       alert(document.cookie);

       //删除名称为"address"的cookie,因为设置时设定的path,所以删除

       //时也需要传入对应path

       removeCookie("address","/")

       alert(document.cookie);

      }



      function setCookie(name,value,hours,path,domain,secure){

          var cdata = name + "=" + value;

          if(hours){

              var d = new Date();

              d.setHours(d.getHours() + hours);

              cdata += "; expires=" + d.toGMTString();

          }

          cdata +=path ? ("; path=" + path) : "" ;

          cdata +=domain ? ("; domain=" + domain) : "" ;

          cdata +=secure ? ("; secure=" + secure) : "" ;

          document.cookie = cdata;

      }



      function getCookie(name){

          var reg = eval("/(?:^|;\s*)" + name + "=([^=]+)(?:;|$)/");

          return reg.test(document.cookie) ? RegExp.$1 : "";

      }



      function removeCookie(name,path,domain){

          this.setCookie(name,"",-1,path,domain);

      }



    </script>

  </head>

  <body onload="Window_Load();">



  </body>

</html>

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原文地址：https://www.cnblogs.com/zhangxiaolei521/p/5683858.html