crypto-DAPP-getUserProfileCallback.js

  // getUserProfile will fetch account information from the block chain network
  function getUserProfile() {
    // Let's grab the token total supply, the method is named the same as in the Solidity code, and add call() to execute it. 
    // We can also get the response using a callback. I do recommend this method most times as we dont know how long the executions can take.
    devToken.methods.totalSupply().call()
      .then((result) => {
        console.log(result);
      })
      .catch((error) => {
        throw new Error(error);
      })
  }