Converting a Buffer to JSON and Utf8 Strings in Nodejs

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Nodejs and browser based JavaScript differ because Node has a way to handle binary data even before the ES6 draft came up with <code class="markup--code markup--p-code">ArrayBuffer</code>. In Node, <code class="markup--code markup--p-code">Buffer</code> class is the primary data structure used with most I/O operations. It is a raw binary data that is allocated outside the V8 heap and once allocated, cannot be resized.