What is BLOB in javascript?

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When you try to access the link that is inside the src tag vídeo youtube, what happens is that you just can’t access, or access is difficult, and I would like to know how to do this process and mainly know how it works.

javascript jquery

1 answer

5

Blob is the definition for Binary Large Object, youtube streams binary data in real time, so there is no physical file that is served in the video.

With a data stream the video is processed and sent at the same time and the browser interprets and displays on the screen the information it is receiving in real time, this is what enables live streaming and many other things that Youtube does. Even not being able to download the video, because it doesn’t exist as a file.

You can rather download a video stream with the right tools that capture the data as it arrives in the browser and make up a new file.

  • 2

    Download information is incorrect, even transmissions can be downloaded

  • I’ll write better, they can be captured

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