What Is the … Rest Parameter in JavaScript?
<p>The JavaScript world is an ever-evolving landscape, full of fantastic features that make our coding lives more efficient, flexible, and fun.</p>
<p>One such feature, introduced in ECMAScript 6 (ES6), is the ... rest parameter, also written as the <code>...rest</code> parameter.</p>
<p>This magical syntax allows us to easily collect a varying number of <a href="https://javascript.plainenglish.io/how-to-check-for-a-function-in-javascript-986248827790" rel="noopener ugc nofollow" target="_blank">function</a> arguments into a single <a href="https://medium.com/p/c900c9c69a10" rel="noopener">array</a>.</p>
<p>Before we get started, I need to call out that REST and … rest are totally different concepts. For REST, as in <a href="https://betterprogramming.pub/11-key-differences-between-graphql-and-rest-apis-4cb3267865aa" rel="noopener ugc nofollow" target="_blank">REST APIs</a>, check out these articles:</p>
<h2><a href="https://betterprogramming.pub/11-key-differences-between-graphql-and-rest-apis-4cb3267865aa?source=post_page-----91ecb02c902d--------------------------------" rel="noopener ugc nofollow" target="_blank">11 Key Differences Between GraphQL and REST APIs</a></h2>
<h3><a href="https://betterprogramming.pub/11-key-differences-between-graphql-and-rest-apis-4cb3267865aa?source=post_page-----91ecb02c902d--------------------------------" rel="noopener ugc nofollow" target="_blank">6. Writing frontend code is easier with GraphQL</a></h3>
<p><a href="https://betterprogramming.pub/11-key-differences-between-graphql-and-rest-apis-4cb3267865aa?source=post_page-----91ecb02c902d--------------------------------" rel="noopener ugc nofollow" target="_blank">betterprogramming.pub</a></p>
<h2><a href="https://medium.com/coding-at-dawn/how-to-use-next-js-api-routes-to-make-a-full-stack-web-application-381d81d60160?source=post_page-----91ecb02c902d--------------------------------" rel="noopener follow" target="_blank">How To Use Next.js API Routes To Make a Full-Stack Web Application</a></h2>
<h3><a href="https://medium.com/coding-at-dawn/how-to-use-next-js-api-routes-to-make-a-full-stack-web-application-381d81d60160?source=post_page-----91ecb02c902d--------------------------------" rel="noopener follow" target="_blank">Next.js allows you to build a complete full-stack app including a custom application program interface (API) using the…</a></h3>
<p><a href="https://medium.com/coding-at-dawn/how-to-use-next-js-api-routes-to-make-a-full-stack-web-application-381d81d60160?source=post_page-----91ecb02c902d--------------------------------" rel="noopener follow" target="_blank">medium.com</a></p>
<p>Now let’s dive in and explore the rest parameter’s capabilities with the help of some fun emoji examples. You know how I do.</p>
<h1>Blast Off with JavaScript’s ES6 Rest Params</h1>
<p>The <code>...rest</code> parameter is a simple yet powerful way to handle a varying number of arguments passed to a JavaScript function.</p>
<p>Imagine we have a function that accepts multiple emoji arguments, and our task is to print them all out.</p>
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