js-base64

Yet another Base64 transcoder in pure-JS

base64.js

Yet another Base64 transcoder

<script src="base64.js"></script>
var Base64 = require('./base64.js').Base64;
Base64.encode('dankogai');  // ZGFua29nYWk= 
Base64.encode('小飼弾');    // 5bCP6aO85by+ 
Base64.encodeURI('小飼弾'); // 5bCP6aO85by- 
 
Base64.decode('ZGFua29nYWk=');  // dankogai 
Base64.decode('5bCP6aO85by+');  // 小飼弾 
// note .decodeURI() is unnecessary since it accepts both flavors 
Base64.decode('5bCP6aO85by-');  // 小飼弾 
if (Base64.extendString) {
    // you have to explicitly extend String.prototype 
    Base64.extendString();
    // once extended, you can do the following 
    'dankogai'.toBase64();       // ZGFua29nYWk= 
    '小飼弾'.toBase64();         // 5bCP6aO85by+ 
    '小飼弾'.toBase64(true);     // 5bCP6aO85by- 
    '小飼弾'.toBase64URI();      // 5bCP6aO85by- 
    'ZGFua29nYWk='.fromBase64(); // dankogai 
    '5bCP6aO85by+'.fromBase64(); // 小飼弾 
    '5bCP6aO85by-'.fromBase64(); // 小飼弾 
}
  • http://en.wikipedia.org/wiki/Base64