Resize Height

gistfile1.js

var headerHeight = $('#primary-navigation').outerHeight();
    var footerHeight = $('#main-footer').outerHeight();
    
    var $jsheight = $('.js-height');
    
    
    if ($jsheight.data('sub')) {
      $jsheight.height($(window).height() - headerHeight - $($jsheight.data('sub')).outerHeight() * 2.2);
    }else{
      $jsheight.height($(window).height() - headerHeight);
    }   
    
    $(window).on('resize',function(){
      
      headerHeight = $('#primary-navigation').outerHeight();
      footerHeight = $('#main-footer').outerHeight();
      
      $('.js-height').height($(window).height() - headerHeight);
      
    });