"Keep the div locked to the screen when the bottom of the div aligns with the

Hey everyone! I'm currently grappling with a project that requires me to keep a div stuck to the screen (prevent scrolling) when its bottom reaches the bottom of the screen. I have two divs on the page, both with varying heights. My aim is to keep div2 stuck while allowing div1 to scroll.

<script>
  var divheight
  var scrolltop
  var screenheight
  if(divheight-scrolltop <= screenheight){ 
  /* I need to find a way to keep the div in place without using fixed positioning, as both divs are floating. */ } 
   else { /* Release the div */ }
 </script>

I'm stuck on what to include in the if and else conditions. Any help would be greatly appreciated!

javascriptjqueryhtmlcss

Answer №1

Implement a function that triggers when the user scrolls. The purpose of this function is to calculate the difference between the screen height and the bottom of a specific div. If this difference is equal to or less than zero, then change the CSS position to fixed. This technique can be very useful for enhancing the user experience.

(function ($) {
  $('.myDiv').scroll(function () {
    var $this = $(this),
        windowHeight = $(window).height(),
        divHeight = $this.height(),
        divBottom = $this.offset().top + divHeight;
    if (windowHeight - divBottom <= 0) {
        $this.css({
            'position': 'fixed',
            'bottom': '0'
        })
    }
  });
})(jQuery);

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