img-comparison-slider

Slider component for comparing images (before and after).

Usage examples: https://sneas.github.io/img-comparison-slider

Browsers support

| IE / Edge | Firefox | Chrome | Safari | iOS Safari | Samsung | | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | IE11 (limited), Edge | last 2 versions | last 2 versions | last 2 versions | last 2 versions | last 2 versions |

Why yet another slider?

Because all existing solutions lack at least one of the features:

• Mobile friendly
• Accessible
• Responsive
• jQuery free
• Compatible with modern frameworks (React, Angular, Vue2, Vue3)
• Distributed through CDN or NPM

Installation

HTML

<script
  type="module"
  src="https://unpkg.com/img-comparison-slider@3/dist/component/component.esm.js"
></script>
<script
  nomodule=""
  src="https://unpkg.com/img-comparison-slider@3/dist/component/component.js"
></script>
<link
  rel="stylesheet"
  href="https://unpkg.com/img-comparison-slider@3/dist/collection/styles/initial.css"
/>

<img-comparison-slider>
  <img slot="before" src="before.jpg" />
  <img slot="after" src="after.jpg" />
</img-comparison-slider>

Frameworks support

• React
• Angular
• Vue2
• Vue3

Styling

The component could be styled with the help of CSS3 variables.

Example:

<style type="text/css">
  img-comparison-slider {
    --divider-width: 2px;
    --divider-color: #c0c0c0;
    --handle-opacity: 0.3;
  }
</style>

Available variables

| Variable | Description | Default value | | ------------------------- | ----------------------------------------------- | ------------- | | --divider-width | Width of the vertical line dividing both images | 1px | | --divider-color | Color of the vertical line dividing both images | #d7d7d7 | | --handle-size | Size of the handle in the middle of divider | 40px | | --handle-color | Color of the handle in the middle of divider | #d7d7d7 | | --handle-opacity | Opacity of the handle | 0.5 | | --handle-opacity-active | On focus opacity of the handle | 0 |