jwt decode to object code example

Example 1: decode jwt tokens

let b64DecodeUnicode = str =>
  decodeURIComponent(
    Array.prototype.map.call(atob(str), c =>
      '%' + ('00' + c.charCodeAt(0).toString(16)).slice(-2)
    ).join(''))

let parseJwt = token =>
  JSON.parse(
    b64DecodeUnicode(
      token.split('.')[1].replace('-', '+').replace('_', '/')
    )
  )

Example 2: jwt decode

jwt.decode( token, SECRET_KEY, algorithm='HS256' )

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Javascript Example

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