How to Perform Client-Side Base64 Encoding and Decoding in JavaScript?

Client-Side Base64 Encoding and Decoding in JavaScript

Base64 encoding is a method of representing data in an ASCII string format so that it can be transmitted over the internet more effectively. It is commonly used to encode binary data, images, and other non-textual data. This question explores how to implement Base64 encoding and decoding in client-side JavaScript.

Browsers like Firefox, Chrome, Safari, Opera, and IE10 offer native support for Base64. You can utilize the btoa() function for encoding and atob() function for decoding.

For server-side JavaScript (Node.js), you can employ Buffers for decoding.

However, if cross-browser compatibility is a concern, consider using existing libraries like CryptoJS or custom JavaScript code similar to the one provided in the response. It's important to thoroughly test the functionality for compatibility across different browsers.

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