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CORS is one of the most important topic when developing Web Application.

In this post we will learn about Promise.all() and Promise.allSettled() with example.

A module is a reusable piece of code that we can use in our application. We will learn two kinds of module system.

HTTP defines set of methods, each of them indicates specific action for a resource.

JavaScript has a built-in sort prototype method. Which can be used to sort elements of an array. When we call .sort() method of an array of numbers or strings JavaScript automatically sort the array.