ES2019 introduced two methods on the array prototype that would make life so much simpler for developers. These are flat() and flatmap() which help in flattening arrays. Array.prototype.flat() As the name suggests, the flat() method returns a new array with elements of the subarray flattened into it, that is the...
Array grouping is a fairly common operation in any project. Until recently, we had to either write our own implementation or use third-party libraries when wanting to GroupBy on an array of objects in JavaScript. That will soon no longer be needed since a native implementation has been introduced in...
ES Modules were introduced in ES2015. The import and export keywords by default are only applicable to JavaScript code. But there is a new proposal to allow it to be used for JSON modules in JavaScript. It is convenient to keep some configuration inside a JSON file and import that....
If you have user-generated content in your web application, chances are you have to deal with strings containing emojis. Since emojis are stored as Unicode, chances are that we want to detect these in our code and then render them accordingly. This article discusses how we can check if a...
Creating a globally unique identifier has always been a necessity in all programming languages and for some reason, JavaScript never had a way of doing it in the default spec. But that is changing now with the crypto API. We can now create a UUID in JavaScript. What is UUID/GUID?...
I was recently trying to use a later version of Node on Repl.it. I wanted to use a package that supported ES Modules, and the default version did not have support for it. So I wanted to use the latest node version in Repl.it. And found that there was no...
Developers are probably the laziest people on the planet. And of all the things, copy-paste is our favorite keyboard shortcut. But what is better than hitting ctrl + c? Having a button do the copying for you! And that is now possible using an asynchronous version of the clipboard API...
There are two ways to remove a property from a JavaScript object: one is the mutable way of doing it by using the delete operator. And the second one is the immutable way of doing it by using object restructuring. Let us go through each of these: 1. The delete...
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