바로 적용이 안되는 문제 채택완료

$(function(){

    

    

var rafId = null;

var delay = 200;

var lTime = 0;</p>

<p>function scroll() {

  var scrollTop = $(window).scrollTop();

  var height = $(window).height()

  var visibleTop = scrollTop + height;

  $('.reveal').each(function() {

    var $t = $(this);

    if ($t.hasClass('reveal_visible')) { return; }

    var top = $t.offset().top;

    if (top <= visibleTop) {

      if (top + $t.height() < scrollTop) {

        $t.removeClass('reveal_pending').addClass('reveal_visible');

      } else {

        $t.addClass('reveal_pending');

        if (!rafId) requestAnimationFrame(reveal);  

      }

    }

  });

}

function reveal() {

  rafId = null;

  var now = performance.now();

  

  if (now - lTime > delay) {

    lTime = now;

    var $ts = $('.reveal_pending');

    $($ts.get(0)).removeClass('reveal_pending').addClass('reveal_visible');  

  }

  

  

  if ($('.reveal_pending').length >= 1) rafId = requestAnimationFrame(reveal);

}</p>

<p>$(scroll);

$(window).scroll(scroll);/*

$(window).click(function() {

  $('.reveal').removeClass('reveal_visible').removeClass('reveal_pending');

  lTime = performance.now() + 500;

  var top = $(window).scrollTop();

  $(window).scrollTop(top === 0 ? 1 : top-1);

});*/

    

      });</p>

<p> </p>

<p>