JQuery标签去重与数组去重

时间：2023-03-09 19:25:41
JQuery标签去重与数组去重

如图所示：

JQuery标签去重与数组去重

代码：

 <!DOCTYPE html>

 <html xmlns="http://www.w3.org/1999/xhtml">

 <head>

 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>

     <title></title>

     <script src="../js/jquery-1.10.2.js"></script>

     <script type="text/javascript">

         $(document).ready(function () {

             //标签去重

             $.each($(".drop"), function (key, val_1) {

                 var count = 0;

                 $.each($(".drop"), function (key, val_2) {

                     if ($(val_1).text() == $(val_2).text()) {

                         count = count + 1;

                         if (count >= 2) {

                             $(this).remove();

                         }

                     }

                 });

             });

             //数组去重

             var arr = new Array(2009, 2009, 2010, 2010, 2009, 2010);

             arr.sort();//排序

             jQuery.unique(arr);//去重

             $.each(arr, function (key, val) {

                 console.log('index in arr:' + key + ", corresponding value:" + val);

             });

         });

     </script>

 </head>

 <body>

     <div>标签去重</div>

     <div>

         <span class="drop">张三</span>

         <span class="drop">李四</span>

         <span class="drop">王五</span>

         <span class="drop">张三</span>

         <span class="drop">王五</span>

     </div>

 </body>

 </html>

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