Answers for "key base64 javascript use"

javascript base64 encode

var string = "Hello folks how are you doing today?";
var encodedString = btoa(string); // Base64 encode the String
var decodedString = atob(encodedString); // Base64 decode the String

javascript object to base64

var obj = {a: 'a', b: 'b'};
var encoded = btoa(JSON.stringify(obj))