JAVASCRIPT

create hash in node js

const crypto = require('crypto');
const hashformat= crypto.createHmac('sha256', process.env.HASH_SECRET)
.update("hashData")
.digest('hex');

hashing in node js

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

How to use hash in javascript

var h = new Object(); // or just {}
h['one'] = 1;
h['two'] = 2;
h['three'] = 3;

// show the values stored
for (var k in h) {
    // use hasOwnProperty to filter out keys from the Object.prototype
    if (h.hasOwnProperty(k)) {
        alert('key is: ' + k + ', value is: ' + h[k]);
    }
}