Fullheight Container from Top to Bottom (equal Browserheight)

fullheight.js

/***
  Startimage Fullheight
***/
$(document).ready(function(){
  if( $('.fullheight').length > 0 ){
      var winHeight = $(window).height();
      var fullheight = $('.fullheight');

      fullheight.css({ 'height' : winHeight + 'px' });

      $('.slide-button').on('click', function () { // Trigger
          $('body').delay(300)
              .animate({
                  'scrollTop': winHeight
              }, 1000);
      });
  }
});