10 JavaScript Array Methods To Boost Your Code Performance | by Jose Granja | Apr, 2021 – DzTechno


Every, some, includes, and other array methods

Photo by Arnold Francisca on Unsplash

With lots of instance methods, the Array API is one of the biggest in JavaScript. At first it can be overwhelming. It is important to invest some time in getting familiar with it. Methods like map() and forEach() are widely abused. Instead, by using the right interface you can make your code faster, more efficient, and more readable.

There is one caveat when using array methods: some are immutable and some aren’t. Being aware of what type of method you are using is crucial. Otherwise, it can lead to some nasty bugs.

In this article, we will be looking at the ten more useful instance methods of the JavaScript Array object and where they shine. Be aware that the Array has some static utility methods like isArray, from, and of that are worth knowing about.

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