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35 lines
1.1 KiB
Markdown
35 lines
1.1 KiB
Markdown
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base64-js
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=========
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`base64-js` does basic base64 encoding/decoding in pure JS.
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[](http://travis-ci.org/beatgammit/base64-js)
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Many browsers already have base64 encoding/decoding functionality, but it is for text data, not all-purpose binary data.
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Sometimes encoding/decoding binary data in the browser is useful, and that is what this module does.
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## install
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With [npm](https://npmjs.org) do:
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`npm install base64-js` and `var base64js = require('base64-js')`
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For use in web browsers do:
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`<script src="base64js.min.js"></script>`
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[Get supported base64-js with the Tidelift Subscription](https://tidelift.com/subscription/pkg/npm-base64-js?utm_source=npm-base64-js&utm_medium=referral&utm_campaign=readme)
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## methods
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`base64js` has three exposed functions, `byteLength`, `toByteArray` and `fromByteArray`, which both take a single argument.
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* `byteLength` - Takes a base64 string and returns length of byte array
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* `toByteArray` - Takes a base64 string and returns a byte array
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* `fromByteArray` - Takes a byte array and returns a base64 string
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## license
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MIT
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