Item securely positioned below a specific threshold

Welcome to my first post here! I've received so much valuable help from this forum and the posts of other users. However, there's one question that I can't seem to find an answer for. Here it is:

I have a button that, when pressed, smoothly scrolls the user back up to the top of the page. I've successfully made it fixed at the top of the screen. But let's say you're at the bottom of the page and press the "smooth-scroll" button. It starts scrolling you upwards, but as you get "near" the top, I want the button to stop moving while the scrolling continues...

It's hard to describe, but imagine starting at the top of the page where you don't see the button. As you scroll down, the button appears and moves upwards until it reaches the top of the screen and stays fixed there.

I'm sure this effect is common in ads, for example...

How would you go about achieving this? Any help would be greatly appreciated.

Thank you,

Layman

javascriptjqueryhtmlcss

Answer №1

It appears that this is the solution you are looking for.

If you're still not satisfied, check out this collection of plugins that can fulfill your needs with minimal coding required.

Answer №2

One of my colleagues developed a clever plugin that conceals a button while the page is being scrolled towards the top. You might consider implementing a similar approach. Here's a basic outline:

btt.revealPosition = 300;
$(window).scroll(function(){
        if($(window).scrollTop() >= btt.revealPosition){
            //Apply a class to enable the button to scroll along with the page
        }else{
            //Apply a class to fix the button at the top of the page

        }
    });

This technique monitors the scroll position when scrolling back up to the top of the page. Once the button reaches the revealPosition, you can modify its behavior by adding a class or adjusting the CSS using jQuery.

You can find more information about this concept in the following plugin: jquery-backtotop

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