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base64-js

`base64-js` does basic base64 encoding/decoding in pure JS.

Many browsers already have base64 encoding/decoding functionality, but it is for text data, not all-purpose binary data.

Sometimes encoding/decoding binary data in the browser is useful, and that is what this module does.

# install

With npm do:

`npm install base64-js` and ‘var base64js = require('base64-js’)`

For use in web browsers do:

`<script src="base64js.min.js"></script>`

# methods

`base64js` has three exposed functions, `byteLength`, `toByteArray` and `fromByteArray`, which both take a single argument.

- `byteLength` - Takes a base64 string and returns length of byte array
- `toByteArray` - Takes a base64 string and returns a byte array
- `fromByteArray` - Takes a byte array and returns a base64 string

# license

MIT