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#Javascript html5 video loop code

From there, use JavaScript code similar to the Intersection Observer-based image lazy-loading examples: document. See Adding captions and subtitles to HTML5 video for more information. As with the lazy-loading examples, stash the video URL in the data-src attribute on each element. You'll notice the addition of the poster attribute, which lets you specify a placeholder to occupy the element's space until the video is lazy-loaded.

#Javascript html5 video loop how to

But how to go about lazy-loading it? To start, modify your markup accordingly: Now you have a serviceable video-as-GIF replacement that works across platforms. playsinline is necessary for autoplaying to occur in iOS. The autoplay, muted, and loop attributes are self-explanatory. They loop continuously ( though that's not always the case).Īchieving this with the element looks something like this:.

Animated GIFs have three characteristics: Using the element as a replacement for animated GIF is not as straightforward as the element. Videos of similar visual quality tend to be far smaller. Animated GIFs can stretch into the range of several megabytes of data. While animated GIFs enjoy wide use, they're subpar to video equivalents in a number of ways, particularly in file size. For video acting as an animated GIF replacement # Unfortunately, it doesn't prove useful when you want to use video in place of animated GIFs, which is covered next. Fast Playback with Video Preload may give you some ideas and insight into working with video playback in JavaScript. The preload attribute isn't the only way to defer the loading of video content. In this cases where the user initiates playback, using preload="none" is the easiest way to defer loading of video on all platforms.

How to lazy-load depends on the use case, though. Videos are commonly loaded with the element (although an alternate method using has emerged with limited implementation).