javascript - Add class selected relative URL -


i'm trying make highlight class selected category:

this code :

<div id="category">     <ul>         <a href="category.php?c=electronic">             <li>electronic</li>         </a>         <a href="category.php?c=fashion">             <li>fashion</li>         </a>     </ul> </div>

css:

.selected {border-bottom:3px solid red; }

script:

$("#category ul a").each(function(){     if ($(this).attr("href") == window.location.href){         $(this).addclass("selected");     }      });

when click on electronic category, show highlight class .selected, but, problem came when url page change category.php?c=electronic&page=2

highlight class .selected not showing anymore, how modify jquery, so, show again? found javascript split url article, work problem?

use .indexof instead. 

var url = $(this).attr("href"); var windowurl = window.location.href;  if (windowurl.indexof(url) != -1){   $(this).addclass("selected"); } 

$("#category ul a").each(function() {    var url = $(this).attr("href");    var windowurl = "category.php?c=electronic&page=2";    console.log(windowurl, url, windowurl.indexof(url)); // <--- see how values change      if (windowurl.indexof(url) != -1) {      $(this).addclass("selected");    }    });
.selected {    color: red;    border-bottom: 3px solid red;  }
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>  <div id="category">    <ul>      <a href="category.php?c=electronic">        <li>electronic</li>      </a>      <a href="category.php?c=fashion">        <li>fashion</li>      </a>    </ul>  </div>


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