javascriptURLcreateObjectURL ret

javascript - URL.createObjectURL returns a blob with null prepended. Eg : Blob:null12415-63 - Stack Overflow
blob has null prepended at the start eg : blob:null72438-4637-23673-34721. But when I use the same as
javascriptURLcreateObjectURL returns a blob with null prepended EgBlobnull1241563Stack Overflow
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