javascript - createObjectURL returns null -


i use following code create url's blob's:

var url = window.url || window.webkiturl;  url.createobjecturl(storedblob);

i ensured url method exists, blob looks debugger:

enter image description here

the code works fine on firefox, chrome , ie on safrari createobjecturl returns null.

edit.:

what problem , how solve it?


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