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zoom-vanilla.js

v2.0.6

Published

It's the best way to zoom an image

Downloads

12,132

Vulnerabilities

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Links

Git

Maintainers

spinningarrowspinningarrow

Keywords

zoomvanillavanilla-jsimage

Readme

zoom-vanilla.js npm version

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 |_  / _ \ / _ \| '_ ` _ \______\ \ / / _` | '_ \| | | |/ _` | | / __|
  / / (_) | (_) | | | | | |      \ V / (_| | | | | | | | (_| |_| \__ \
 /___\___/ \___/|_| |_| |_|       \_/ \__,_|_| |_|_|_|_|\__,_(_) |___/
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Live demo: zoom-vanilla.js in action.

A simple library for image zooming; as seen on Medium. It zooms in really smoothly, and zooms out when you click again, scroll away, or press the esc key.

If you hold the ⌘ or Ctrl key when clicking the image, it will open the image in a new tab instead of zooming it.

This is a fork of the jQuery plugin by fat. These are the key differences:

  1. No jQuery dependency; vanilla JavaScript only
  2. ~Equivalent~smaller file size (the minified version is slightly smaller due to better minification)
  3. Includes bug fixes not present in fat/zoom.js, which is no longer being maintained

Usage

  1. Download the JS and CSS files using any of the following methods:    

    • npm: npm i -D zoom-vanilla.js. This will download the the necessary files to the node_modules/zoom-vanilla.js/dist/ directory.

    • Directly link to the files hosted on a CDN:

      • JS: https://cdn.jsdelivr.net/npm/zoom-vanilla.js/dist/zoom-vanilla.min.js

      • CSS: https://cdn.jsdelivr.net/npm/zoom-vanilla.js/dist/zoom.css

    • Manually download dist/zoom-vanilla.min.js and dist/zoom.css from GitHub

  2. Add the zoom-vanilla.min.js and zoom.css files to your HTML page:

    <!-- inside <head> -->
<link href="path/to/dist/zoom.css" rel="stylesheet">

<!-- before </body> -->
<script src="path/to/dist/zoom-vanilla.min.js"></script>

  3. Add a data-action="zoom" attribute to the images you want to make zoomable:

    <img src="img/blog_post_featured.png" data-action="zoom">

Browser support

zoom-vanilla.js should (in theory) work in all modern browsers. If not, create an issue! Thanks!

Known issues

  • The image is appended to the body; use an appropriate CSS selector for extra styling
  • Zooming may not be quite right if the aspect ratio of the image is changed

Build

  • git clone the repo
  • npm i to install dev dependencies
  • npm start to start a simple HTTP server (makes it easy to view the demo page)
  • npm run build to build the minified JS and vendor-prefixed CSS
  • npm run watch to rebuild when any JS files change (recommended for development)