window load fucntion jquery

    // progressbar
$(window).scroll(function() {
   var hT = $('.our_skill').offset().top,
       hH = $('.our_skill').outerHeight(),
       wH = $(window).height(),
       wS = $(this).scrollTop();
   if (wS > (hT+hH-wH)){
       $(".progress-bar").addClass('active_test');
       $(".progress-bar span.progresbar_left_text").animate({
        opacity: '100'
        }, 120000);
   }
});