Requested in response to my earlier comparison sliders. Full article.
A Pen by Dudley Storey on CodePen.
Created
August 18, 2016 05:02
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Save CodeMyUI/34f82e50cde3c10fbf09e37a6fbf2fa5 to your computer and use it in GitHub Desktop.
HTML5 Video Before-and-After Comparison Slider
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| <div id="video-compare-container"> | |
| <video loop autoplay poster="https://s3-us-west-2.amazonaws.com/s.cdpn.io/4273/dirty.jpg"> | |
| <source src=https://s3-us-west-2.amazonaws.com/s.cdpn.io/4273/floodplain-dirty.mp4> | |
| <source src=https://s3-us-west-2.amazonaws.com/s.cdpn.io/4273/floodplain-dirty.webm> | |
| </video> | |
| <div id="video-clipper"> | |
| <video loop autoplay poster="https://s3-us-west-2.amazonaws.com/s.cdpn.io/4273/clean.jpg"> | |
| <source src=https://s3-us-west-2.amazonaws.com/s.cdpn.io/4273/floodplain-clean.mp4> | |
| <source src=https://s3-us-west-2.amazonaws.com/s.cdpn.io/4273/floodplain-clean.webm> | |
| </video> | |
| </div> | |
| </div> |
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| function trackLocation(e) { | |
| var rect = videoContainer.getBoundingClientRect(), | |
| position = ((e.pageX - rect.left) / videoContainer.offsetWidth)*100; | |
| if (position <= 100) { | |
| videoClipper.style.width = position+"%"; | |
| clippedVideo.style.width = ((100/position)*100)+"%"; | |
| clippedVideo.style.zIndex = 3; | |
| } | |
| } | |
| var videoContainer = document.getElementById("video-compare-container"), | |
| videoClipper = document.getElementById("video-clipper"), | |
| clippedVideo = videoClipper.getElementsByTagName("video")[0]; | |
| videoContainer.addEventListener( "mousemove", trackLocation, false); | |
| videoContainer.addEventListener("touchstart",trackLocation,false); | |
| videoContainer.addEventListener("touchmove",trackLocation,false); |
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| <script src="//cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script> |
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| body { | |
| background: #333; | |
| margin: 2rem; | |
| } | |
| #video-compare-container { | |
| display: inline-block; | |
| line-height: 0; | |
| position: relative; | |
| width: 100%; | |
| padding-top: 42.3%; | |
| } | |
| #video-compare-container > video { | |
| width: 100%; | |
| position: absolute; | |
| top: 0; height: 100%; | |
| } | |
| #video-clipper { | |
| width: 50%; position: absolute; | |
| top: 0; bottom: 0; | |
| overflow: hidden; | |
| } | |
| #video-clipper video { | |
| width: 200%; | |
| postion: absolute; | |
| height: 100%; | |
| } |
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