The American poet Edward Estlin Cummings was famous for his eccentric use of spacing and capitalization, to the point that his name is usually styled as e e cummings. I wonder what he would think of an RxJS question that a friend asked me: “Is returning throwError the same as writing ‘throw error’?”

Introduced in 2015 with ECMAScript6, template literals let us dynamically construct strings of text and embedded expressions, even multi-line strings of text, in a more elegant way than concatenation.

One of the most popular new features in ECMAScript 2015 is arrow functions. Is it because of the new cleaner syntax or the sharing of this with the parent scope? Maybe both. Let’s look into them in more detail.

In this article, we go through the syntax of destructuring both Object and Array and give examples of when you can use them.

In this article, we will try to clear up the confusion and look into the two ways of using Javascript’s three dots.

We often need to create many objects of the same kind, like users or cars. In object-oriented languages, a class is often used for this purpose.JavaScript, being a prototype-based language, has something called constructor functions.