detect-scroll-up-down

detect-scroll-up-down.js

  var m_lastScrollTop = 0;
  $(window).scroll(function() {
    var m_getscroll = $(window).scrollTop();

    //Scroll UP & DOWN
    m_getscroll = m_getscroll;
    if (m_getscroll > m_lastScrollTop) { //-----------DOWN
      console.log('pa abajo');

    } else {                             //-----------UP
      console.log('pa arriba!!!');
    }
    m_lastScrollTop = m_getscroll;
  }); //---scroll