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
function toBinary(string) {
const codeUnits = new Uint16Array(string.length);
for (let i = 0; i < codeUnits.length; i++) {
codeUnits[i] = string.charCodeAt(i);
}
return String.fromCharCode(...new Uint8Array(codeUnits.buffer));
}
function fromBinary(binary) {
const bytes = new Uint8Array(binary.length);
for (let i = 0; i < bytes.length; i++) {
bytes[i] = binary.charCodeAt(i);
}
return String.fromCharCode(...new Uint16Array(bytes.buffer));
}
const myString = "☸☹☺☻☼☾☿"
// console.log(btoa(myString)) // Error InvalidCharacterError: The string to be encoded contains characters outside of the Latin1 range.
const converted = toBinary(myString)
const encoded = btoa(converted)
console.log(encoded)
const decoded = atob(encoded)
const original = fromBinary(decoded)
console.log(original);/**
* Function that converts a base64 string into a base64url string
* @param {string} input - The string to convert
*/
function base64ToBase64url(input) {
// Replace non-url compatible chars with base64url standard chars and remove leading =
return input
.replace(/\+/g, '_')
.replace(/\//g, '-')
.replace(/=+$/g, '');
}