nodejs string to base64
> console.log(Buffer.from("Hello World").toString('base64'));
SGVsbG8gV29ybGQ=
> console.log(Buffer.from("SGVsbG8gV29ybGQ=", 'base64').toString('ascii'))
Hello Worldnodejs string to base64
> console.log(Buffer.from("Hello World").toString('base64'));
SGVsbG8gV29ybGQ=
> console.log(Buffer.from("SGVsbG8gV29ybGQ=", 'base64').toString('ascii'))
Hello Worldjs base64 encode
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);Copyright © 2021 Codeinu
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