How to properly unload/destroy a VIDEO element

It is very tricky to dispose video from the DOM structure. It may lead to browser crashing. Here is the solution that helped me in my project.

var videoElement = document.getElementById('id_of_the_video_element_here');
videoElement.pause();
videoElement.removeAttribute('src'); // empty source
videoElement.load();

this will reset everything, silent without errors !

Edit: Here are the full details as recommended in the Standard: https://html.spec.whatwg.org/multipage/media.html#best-practices-for-authors-using-media-elements

Hope it resolve your query.

This "solution" is reported to work, presumably because it would make those video container objects available for garbage collection (see the note below for a discussion of why delete shouldn't be making a difference). In any case, your results are likely to vary by browser:

$(container_selector).children().filter("video").each(function(){
    this.pause(); // can't hurt
    delete this; // @sparkey reports that this did the trick (even though it makes no sense!)
    $(this).remove(); // this is probably what actually does the trick
});
$(container_selector).empty();

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Note: There's no doubt that the delete keyword is specified only to remove properties from objects (as others have pointed out in the comments). Logging this to the console both before and after the delete this line, above, shows the same result each time. delete this should do nothing and make no difference. Yet this answer continues to receive a trickle of votes, and people have reported that omitting delete this makes it stop working. Perhaps there's strangeness in how some browser JS engines implement delete, or an unusual interaction between a browser's delete and what jQuery is doing with this.

So, just be aware, if this answer solves your problem, that if it does work, it's not clear why that's the case, and it's just as likely to stop working for any number of reasons.

To reset the video to Blank without removing it

$("#video-intro").first().attr('src','')

It stops the video