JavaScript Kicks - JSK Daily for Aug 2, 2021

From our sponsor: Guide customers along the path to purchase with our award-winning platform. Starting at $14.99/mo. In April 2019, Harry Alisavakis made a great write-up about the "magical marbles" effect he shared prior on Twitter....

Codrops

To clarify how we will refactor the above, let's review the code in Figure 9 to clarify what is happening in this listing. The getDogInfo() Object contains a single property, a method called info(), whose sole purpose is to return the values that it will get, albeit indirectly...

Robert Hieger

TypeScript 3.7 added support for the ?. operator, also known as the optional chaining operator. We can use this operator to descend into an object whose properties potentially hold the values null or undefined without writing any null checks for intermediate properties....

Marius Schulz

In this tutorial, I want to show you how to use React Table Library for creating a Tree Table or Tree List. In the previous example, you have already installed React Table Library to create a table component. Now, we will enable users to expand and collapse rows in a React Tre...

Robin Wieruch

Sometimes Angular applications are required to authenticate against multiple identity providers. This blog post shows how to implement an Angular SPA which authenticates using Auth0 for one identity provider and also IdentityServer4 from Duende software as the second. The SPA ...

damienbod

Building dynamic websites with APIs is something we all are familiar with as modern-day web developers. Node.js, especially, makes it really easy to set up API backends quickly and connect them with the client-side web applications. But did you know that Node allows the applic...

livecodestream

In this tutorial, we are going to learn how to check if the string starts with another substring in JavaScript. To check if a string starts with another, we can use the built-in startsWith() method in JavaScript. The startsWith() method takes the search string as an argument a...

Sai gowtham

When a Cypress test finishes, the web application stays in the browser's window. This could be confusing if the next test does not immediately start with cy.visit. For example, the JavaScript call...

Gleb Bahmutov

CRA or create-react-app makes it easy to create a react app. But there are some disadvantages. In this post, I list down my top 3 reasons to not like CRA....

Vijay T

One large change to the cost of JavaScript over the last few years has been an improvement in how fast browsers can parse and compile script. In 2021, the dominant costs of processing scripts are now download and CPU execution time....

Sn. Dev. M A

With Raygun Error and Performance Monitoring you have all the information you need at your fingertips to quickly find and fix errors and performance issues across your tech stack down to the line of code. Get started with a free 14-day trial, head to raygun.com and join thousa...

JS Party

Middleware is an often misunderstood topic since it sounds and appears very complicated, but in reality middleware is actually really straightforward. The entire idea of middleware is to execute some code before the controller action that sends the response and after the serve...

JavaScript In Plain English

When building web applications and APIs using Node.js, we sometimes come across tasks that need to be done repeatedly such as email notifications, file downloads, and database backups etc. This can be at a specific time everyday, month, or even year depending on the task....

JavaScript In Plain English