javascript - How to increment div id value? -

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i have got task set menu selected. use dynamic id. want increment respect selection

my code is

<div class="menuheader ui-corner-top" id="menu"+ i>     <span><a href="#" onclick="home()">home</a></span> </div> <div class="menuheader ui-corner-top" id="menu"+ i>     <span><a href="#" onclick="newtransaction()">new transaction</a></span> </div> <div class="menuheader ui-corner-top" id="menu"+ i>     <span><a href="#" onclick="portfolio()">portfolio</a></span> </div>

javascript is

$(document).ready(function () {              alert(document.url);              var list = $("#menu");              (var = 1; <= list.length; i++) {                  list[i].innerhtml = i;              }              var str = document.url.tolowercase().indexof("portfolio/index");              alert(str);              if (str >= 0) {                  $('#menu').addclass("menuheaderactive");              }          });

how can this?

var i=0; $('.menuheader').each(function(){     i++;     var newid='menu'+i;     $(this).attr('id',newid);     $(this).val(i); });

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