python decode base 64 code example

Example 1: javascript base64 decode

// Define the string
var string = 'Hello World!';

// Encode the String
var encodedString = btoa(string);
console.log(encodedString); // Outputs: "SGVsbG8gV29ybGQh"

// Decode the String
var decodedString = atob(encodedString);
console.log(decodedString); // Outputs: "Hello World!"

Example 2: buffer from base64

const b64string = /* whatever */;
const buf = Buffer.from(b64string, 'base64');