javascript - Scroll function make left contraction -


i'm using following script fixed menu when scroll page.

var num = 5; $(window).bind('scroll', function () {     if ($(window).scrolltop() > num) {         $('.scroll').css({'position':'fixed', 'top':'0px'});     } else {         $('.scroll').css({'position':'', 'top':''});     } });

i'm using script table. see jsfiddle. when scroll down, title going contraction left left side.

why it's happening , how can fix? should support major browsers(not ie).

when set position: fixed left prop seems set 0. hence, headers moving left corner. may have play display , width props you're after. note adding/removing class better setting inline styles via .css(). @ following demo , adapt code accordingly suit needs.

var num = 5;  $(document).bind('scroll', function () {      if ($(document).scrolltop() > num) {  		$('.scroll').addclass("scrolled");      } else {          $('.scroll').removeclass("scrolled");      }  });
.scroll { width: 100%; }  .scroll th { width: 49% }  .scrolled { position: fixed; top: 0; }  .scrolled th { display: inline-block; width: 47.5% }
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>  <table id="mytable" width="100%">      <thead>          <tr class="scroll">              <th>id</th>              <th>value</th>          </tr>      </thead>      <tbody>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>          <tr>              <td align="center" width="20%">0</td>              <td align="center" width="20%">1</td>          </tr>                </tbody>  </table>

there may other ways of doing it, think of :)


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