file uploader plugin using pure JavaScript without 3rd party libraries -


i want build simple file uploader can used other applications plugin or module. uploader should have following features:

configurable upload url , param name. show live preview on browser if file image. customize file extensions allowed. example: [‘image/png’, ‘image/jpg’] ability send data when uploading file. example sending user_id each file. please note:

make sure code written using pure javascript , not make use of 3rd party libraries.


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