This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for the proper prefixes to use in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the spec changes.
URL.createObjectURL() static method creates a
DOMString containing an URL representing the object given in parameter. The URL lifetime is tied to the
document in the window on which it was created. The new object URL represents the specified
File object or
Note: This feature is available in Web Workers.
objectURL = URL.createObjectURL(blob);
Each time you call
createObjectURL(), a new object URL is created, even if you've already created one for the same object. Each of these must be released by calling
URL.revokeObjectURL() when you no longer need them. Browsers will release these automatically when the document is unloaded; however, for optimal performance and memory usage, if there are safe times when you can explicitly unload them, you should do so.
The definition of 'URL' in that specification.
|Working Draft||Initial definition.|
|Feature||Chrome||Firefox (Gecko)||Internet Explorer||Opera||Safari (WebKit)|
|Basic support||8 
|4.0 (2)||10||15||6 
|21 (21)||11||15||6 
|Feature||Chrome for Android||Android||Firefox Mobile (Gecko)||IE Phone||Opera Mobile||Safari Mobile|
|Basic support||18 ||4.0 ||14.0 (14)||?||15 ||6.0 |
||18 ||(Yes) ||14.0 (14)||?||15 ||6.0 |
URL prefixed as