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A simple and responsive image comparison slider

A simple and responsive image comparison slider


A simple and responsive image comparison slider.

Comparison sliders are nothing new. There are even pure CSS implementations that is nothing but short of amazing. However, I wasn’t able to find a truly responsive one that was simple enough for our needs. This gave me the chance (and excuse) to build one myself that can be used anywhere.



  • Performance improvements (Feb, 2017)
  • before-after is now a jquery plugin, special thanks to [@ramblex]. Also CDN links updated and fixed a few issues.(Feb, 2016)
  • I was finally able to remove the jQuery Mobile dependency and handle it with native events. If you wish to help, mobile testing is much appreciated since I can only test a limited number devices. (March, 2015)


  • [jQuery] for ease



Or you can simply copy the contents of the sample.html to your own page. All links are called from a CDN.




A Nice collection of often useful examples done in HTML JavaScript CSS.

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