"JavaScript smoothly navigate to the bottom of the page

I have developed a small chat feature where users can communicate with each other in real-time. Utilizing AJAX, the chat pulls and displays messages seamlessly.

While the functionality is smooth, there's one issue that needs attention. I want the chat box to automatically scroll down to show the latest messages every time AJAX fetches new data.

But here lies the challenge - how do I determine if a user is actively scrolling within the chat box?

To avoid disrupting user experience, I wish to disable auto-scrolling when someone is currently interacting with the chat.

Is there a way to achieve this effectively?

This is the HTML structure of the chat:

<div id="chat">
  <div id="chatoutput></div>
</div>

And here's the JavaScript responsible for scrolling to the bottom:

jQuery("#chat").scrollTop($("#chat")[0].scrollHeight);
javascriptjqueryhtmlcssajax

Answer №1

To prevent the automatic scrolling down feature, you can implement a function that disables it once the user manually scrolls:

$("#chat").scroll(function() {
    autoScrollEnabled = false;
});

It is important to verify the value of autoScrollEnabled before proceeding with the scroll action.

if (autoScrollEnabled) {
  jQuery("#chat").scrollTop($("#chat")[0].scrollHeight);
}

Another option would be to save a timestamp to keep track of the last time the user scrolled, and re-enable autoScroll if it has been more than a specified time period, like one minute.

Answer №2

Why not try a straightforward javascript function?

$(document).ready(function () {
     var chatBox = document.getElementById("chat");
     chatBox.scrollTop = chatBox.scrollHeight;
});

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