SyntaxFix

[javascript] Failed to execute 'createObjectURL' on 'URL':

UPDATE

Consider avoiding createObjectURL() method, while browsers are disabling support for it. Just attach MediaStream object directly to the srcObject property of HTMLMediaElement e.g. <video> element.

const mediaStream = new MediaStream();
const video = document.getElementById('video-player');
video.srcObject = mediaStream;

However, if you need to work with MediaSource, Blob or File, you have to create a URL with URL.createObjectURL() and assign it to HTMLMediaElement.src.

Read more details here: https://developer.mozilla.org/en-US/docs/Web/API/HTMLMediaElement/srcObject

Older Answer

I experienced same error, when I passed to createObjectURL raw data:

window.URL.createObjectURL(data)

It has to be Blob, File or MediaSource object, not data itself. This worked for me:

var binaryData = [];
binaryData.push(data);
window.URL.createObjectURL(new Blob(binaryData, {type: "application/zip"}))

Check also the MDN for more info: https://developer.mozilla.org/en-US/docs/Web/API/URL/createObjectURL

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Examples related to createobject

• Failed to execute 'createObjectURL' on 'URL':