JavaScript Kicks - JSK Daily for Feb 21, 2022

Forms are one of the crucial parts of a web app. They help us to collect various data from the user, and it is the developer’s responsibility to validate all input data in the form fields in order to provide a good user experience....

Syncfusion

Today, Node.js is widely used in web and mobile applications, for it fills the gap between front-end and back-end applications. Unfortunately, increased usage of Node.js has opened new doors for attackers to exploit misconfigurations and vulnerabilities. We being developers ha...

Bit

Today, I am going to show you a basic way to write a function that compares two objects, and also retrieves their matching properties. This function as the name states will be used to compare 2 objects and it works for objects that contain simple, but not complex properties....

Bit

One of the most important but most neglected practises in Agile Software Development is unit testing. I've worked with a lot of tools and languages in my career, but haven't found any that makes it as easy to test your code as it is in TypeScript/JavaScript....

Daniel Friyia

Seemingly every website, dapp, and app offers a dark mode preference, and thank goodness. Dark mode is especially useful when I'm doing late night coding, or even worse, trading into altcoins. I'm presently working on implementing a dark theme on MetaMask and it got me to thin...

David Walsh

Hello friends, So as I have been applying for software engineering roles recently, I have been asked to take assessments to test my coding ability. Using a language of my choice - like C, C++, Java, and JavaScript- the assessments required me to develop a clean algorithm that ...

Kyle DeGuzman

How do you listen to click events in React functional component especially when user clicks outside the component scope or anywhere in your react document? Recently, I was creating a custom dropdown component. I almost developed it; however, at the last moment, I got stuck....

Digamber Singh

This blog post is first of a series: What are wrapper objects for primitive values? Why you shouldn't change built-in prototypes [coming soon] How do primitive values get their properties? [coming soon] Each of the primitive types boolean, number, bigint, string and symbol has...

Axel Rauschmayer

For the last few months, I've been listening to Ryan Toronto and Sam Selikoff talk about React Suspense over on the Frontend First podcast. I don't know much of anything about React Suspense, but it appears to work, at least in part, by throw()ing Promise objects in JavaScript....

Ben Nadel

reduce() is one of these underrated Array methods that can be tremendously useful to accumulate array items. The method iterates over all entries and takes a callback function to alter the result. This callback function has access to the initial or previous value, the current ...

stefan judis

Managing state in your React apps isn't as simple as using useState or useReducer. Not only are there are a lot of different kinds of state, but there often dozens of ways of managing each kind. Which should you choose? In this guide, we will uncover the several kinds of...

freeCodeCamp.org

Being able to understand Node continues to be an important skill if you're a front-end developer. Deno has arrived as another way to run JavaScript outside the browser, but the huge ecosystem of tools and software built with Node mean it's not going anywhere anytime soon....

CSS-Tricks