JQuery window scrolling event?

Question

I have an ad in my header and a fixed ad at the bottom of my page that is always there. I want the fixed ad to appear only if the user has scrolled under the header ad. I lo

Answer 1

See jQuery.scroll(). You can bind this to the window element to get your desired event hook.

On scroll, then simply check your scroll position:

$(window).scroll(function() {
  var scrollTop = $(window).scrollTop();
  if ( scrollTop > $(headerElem).offset().top ) { 
    // display add
  }
});