npm install backpax

Backpax

![](./screenshot.png)
Simple JavaScript Library to add parallax image to background-image

Install

``$ npm install backpax --save`

`Demo`

Demo page is here

`Usage`

If you want to add parallax effect to element's background-image

`html

  data-img="./path/to/default-image"
  data-img-768="./path/to/image-which-size-is-smaller-than-768"
  data-img-1024="./path/to/image-which-size-is-smaller-than-1024"
>
  Hello world!

`js import Backpax from 'backpax';

new Backpax('.js-parallax');``