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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.
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>
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 arraytoByteArray
- Takes a base64 string and returns a byte arrayfromByteArray
- Takes a byte array and returns a base64 stringMIT