useWindowScroll
Track and manipulate the scroll position of a web page with useWindowScroll.
Install:
npm i @uidotdev/usehooks
Description:
The useWindowScroll hook is useful for tracking and manipulating the scroll position of a web page within a React component. It allows you to easily access the current scroll coordinates (x and y) through the “state” object returned by the hook. Additionally, the hook provides a “scrollTo” function that can be used to programmatically scroll to a specific position on the page. This hook is helpful when building components that require dynamic behavior based on the scroll position, such as lazy-loading content, infinite scrolling, or implementing smooth scrolling animations.
Return Value
The useWindowScroll hook returns an array with two elements:
| Name | Type | Description |
|---|---|---|
state | object | An object representing the current window scroll position. |
scrollTo | function | A function that can be used to scroll the window to a specific position. |
Demo:
Example:
import * as React from "react";
import { useWindowScroll } from "@uidotdev/usehooks";
export default function App() {
const [{ x, y }, scrollTo] = useWindowScroll();
return (
<section>
<header>
<h1>useWindowScroll</h1>
<button className="link" onClick={() => scrollTo(0, 1000)}>
Scroll To (0, 1000)
</button>
<button
className="link"
onClick={() => scrollTo({ left: 0, top: 2000, behavior: "smooth" })}
>
Scroll To (0, 2000) (Smoothly)
</button>
<button
className="link"
onClick={() => scrollTo({ left: 0, top: 0, behavior: "smooth" })}
>
Back To The Top
</button>
</header>
{new Array(50).fill().map((_, index) => {
return <p key={index}>{index}</p>;
})}
<aside style={{ position: "fixed", bottom: 0, right: 0 }}>
Coordinates <span className="x">x: {x}</span>{" "}
<span className="y">y: {y}</span>{" "}
</aside>
</section>
);
}More Hooks:
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There’s no better way to learn useHooks than by building it yourself.
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useMouse
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