This tutorial provides a comprehensive guide to JavaScript Map and Set, explaining their differences, use cases, and how to use them.

Consider Listing 1, which takes advantage of the JavaScript map() function to uppercase the letters in an array. Listing 1. Using map () and an anonymous function in JavaScript ...

What is JSON (JavaScript Object Notation)? JSON (JavaScript Object Notation) is a text-based, human-readable data interchange format used to exchange data between web clients and web servers. The ...

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