I am trying to figure out how to effectively utilize the $("body").scrollTop() function in jQuery

In relation to my previous question , I am looking to create an effect where as the user scrolls down the page, the opacity of the subsequent divs will increase to cover the main video. A working example can be found here: https://jsfiddle.net/Leytgm3L/38/. The issue arises when the window size is reduced, preventing the section from fully covering the video beneath it unless the user continues scrolling. How can I ensure that the video is completely covered upon reaching it?

 $("#black").css("opacity",$("body").scrollTop()/1000);

The problem may be with the value of $("body").scrollTop(). How can this be rectified?

javascriptjqueryhtmlcsstwitter-bootstrap

Answer №1

Give this code a try, it has been effective for me

$("#black").css("opacity",$("body").scrollTop()/($("#black").offset().top*2.5));

Link to code example

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