hash node meaning code example

Example 1: nodejs hashing

const crypto = require('crypto');

const secret = 'abcdefg';
const hash = crypto.createHmac('sha256', secret)
                   .update('I love cupcakes')
                   .digest('hex');
console.log(hash);
// Prints:
//   c0fa1bc00531bd78ef38c628449c5102aeabd49b5dc3a2a516ea6ea959d6658e

Example 2: hashing in node js

require("crypto")
  .createHash("sha256")
  .update("Man oh man do I love node!")
  .digest("hex");