Sometimes, we want to detect document height change with JavaScript.
In this article, we’ll look at how to detect document height change with JavaScript.
How to detect document height change with JavaScript?
To detect document height change with JavaScript, we can use the resize observer.
For instance, we write
const resizeObserver = new ResizeObserver((entries) =>
console.log(entries[0].target.clientHeight)
);
resizeObserver.observe(document.body);
to create a ResizeObserver
object with a callback that runs when we resize the element being observed.
Then we call observer
to watch for resizing of the body element with
resizeObserver.observe(document.body);
Conclusion
To detect document height change with JavaScript, we can use the resize observer.