How do I check if an array includes an object in JavaScript?

by | Dec 27, 2018 | javascript, tutorials | 0 comments

Hey guys I am back with another blog post. In this post we will be discussing How to check if an array includes an object in Javascript?Anyone wanted to implement this functionality should pay attention to the whole post. Let’s get started.

METHOD-1

Current browsers have Array#includes, which does exactly that, is widely supported, and has a polyfill for older browsers.

METHOD-2

You can also use Array#indexOf, which is less direct, but doesn’t require Polyfills for out of date browsers.

METHOD-3

jQuery offers $.inArray, which is functionally equivalent to Array#indexOf

METHOD-4

You can use a specific Javascript library called as underscore.js which is a utility for making this operation possible. Download the library from here.

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