Though some of the concepts in this course are still relevant, overall this course does not reflect our current course standards. We now recommend you take the Complete Intro to Web Development, v3 course.

Check out a free preview of the full HTML5 Media: Audio, Video & WebRTC course:
The "Preloading and Buffering" Lesson is part of the full, HTML5 Media: Audio, Video & WebRTC course featured in this preview video. Here's what you'd learn in this lesson:

Preloading requests the media be downloaded (but not played) as soon as the page is loaded. It can be configured using the "preload" attribute. The buffered attribute will return the time ranges of the media that have been completely downloaded.

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