Question

(Hope it is not a duplicate because I didn’t find it when searching and googling)

I am trying to find how to detect in some fixed-height div (‘#div’) when the scroll-bar is reaching the bottom of this latter div. Should I use $(document).height() and $(window).height() to detect this event ?

Edit : My div which is fixed-height and about which I set auto-scroll, so how to deal with that ? if I am suppose to use $(‘#div’).height(), this height is fixed….

Answer 1

In the .height() documentation:

$(window).height();   // returns height of browser viewport
$(document).height(); // returns height of HTML document

In your case it sounds like you may want the height of the document rather than the window. Think of it this way: The window height is what you see, but the document height includes everything below or above.

EXAMPLE

EDIT:

Checking for top and bottom on scroll with help from the scrollTop() method:

var bottom = $(document).height() - $(window).height();

$(document).scroll(function(){
    var position = $(this).scrollTop();
    if (position === bottom) {
        console.log("bottom");
    }else if(position === 0){
        console.log("top");   
    } else {
        console.log("scrolling");
    }
});