Currently, I am in the process of creating a chatroom that includes pagination. The issue I am encountering is related to loading old messages when the scroll height reaches 0. However, unlike platforms such as Facebook and Slack, even when the scroll height expands, the scroll position remains at 0. I aim to achieve a stable scroll position even as the scroll height changes. Although I attempted to modify the scroll height, the outcome was unexpectedly smooth.
If you want to retrieve a new chat element by its id and then scroll to that specific element, you can use the following code snippet:
document.getElementById(id).scrollIntoView();
Here's an example to demonstrate how it works:
let index = 0;
function addBox() {
document.body.innerHTML += `<div class="box" id='box${index}'></div>`;
document.getElementById(`box${index}`).scrollIntoView();
}* {
padding: 0;
margin: 0;
box-sizing: border-box;
}
.box {
height: 200px;
background-color: blueviolet;
}<div class="box"></div>
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