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@degjs/scroll-to

v2.0.0

Published

Animated scrolling to an element or position

Downloads

448

Readme

scrollTo

Build Status

ScrollTo is a module that will scroll to a specified element or position on a page with animated movement. It takes advantage of the native window.requestAnimationFrame() method to ensure smooth animation.

Demo

You can view a demo of scrollTo here.

Install

ScrollTo is an ES6 module. Consequently, you'll need an ES6 transpiler (Babel is a nice one) as part of your Javascript workflow.

If you're already using NPM for your project, you can install scrollTo with the following command:

$ npm install @degjs/scroll-to

Usage

import scrollTo from "@degjs/scroll-to";

/* Scroll to an element with a 1-second, eased-in animation */
let destinationElement = document.querySelector('.some-element');
scrollTo({
    element: destinationElement,
    duration: 1000,
    easing: 'easeIn'
});

Parameters

options

Type: Object

options.element

Type: Element
The element to scroll to. This option or the position option is required.

options.position

Type: Number
The vertical position (in pixels) on the page to scroll to. This option or the element option is required.

options.duration

Type: Number Default: 500
The duration (in milliseconds) of the scroll animation. This option is optional.

options.easing

Type: String Default: easeOut
The easing function for the animation. This option is optional. Valid values are:

  • linear
  • easeIn
  • easeOut
  • easeInOut

Browser Support

ScrollTo depends on the following browser APIs:

  • window.requestAnimationFrame (Note: scrollTo will still technically function if window.requestAnimationFrame is not supported, but the scrolling movement will be instantaneous with no animation)
  • Object.assign

To support legacy browsers, you'll need to include polyfills for the above APIs.