JavaScript Kicks - JSK Daily for Jan 3, 2022

Want to scale up your engineering team? Bring your pull request automation to the next level using Mergify and secure your code using a merge queue. By saving time, you can focus on projects that matter. Trusted by engineers at Amazon, Mozilla, and Airtable....

Mergify

Whether you are a newbie or an expert in the programming space, you've probably wondered how others developers set up and configure their starting project application. This article tackles an......

Bit

Performance profiling is very useful for finding out where your application is slow, and how you can make it more efficient. With the right tools, profiling a Node.js application can be fairly straightforward. But the experience described by many tutorials is so involved, and ...

Bit

In today's tech-driven world, people have adopted their habit of solving the majority of their problems simply by using mobile apps. And healthcare has not left an exception. In addition, with the growing prevalence of chronic health issues and the rising usage of wearables, u...

Sophia Martin

We all know Reactjs is a UI library using which we can build user interfaces rapidly. but Reactjs ecosystem is so rich that you can build dynamic interactive web applications just by using some......

Sachin Chaurasiya 👨🏻‍💻

React testing library has become the most popular option to write test cases for React applications. These test cases resemble how a user would use your application. If you are using the latest version of the create-react-app tool then you already have Jest and Testing Library...

JavaScript In Plain English

Which is better, React or Vue? Which is the best JavaScript framework? Is NextJS better than ReactJS? Which JavaScript framework should I learn first? Should I learn React or Vue? Frame the question whichever way you want, the reality is - among developers, these questions pop...

Salvor Pirenne

array.map() is a very useful mapper function: it takes an array and a mapper function, then returns a new mapped array. But in this post you'll read about an alternative to array.map(): the array.flatMap() (available starting ES2019). This method gives you the ability to map, ...

Dmitri Pavlutin

This React input pattern mask tutorial may be a boon for those who have no prior knowledge of input pattern masking in React js forms....

Digamber Singh

Table of Contents The JS Self-Profiling API What is Sampled Profiling? Downsides to Sampled Profiling API Document Policy API Shape Sample Interval Buffer Who to Profile When to Profile Specific Operations User Interactions Page Load Overhead Anatomy of a Prof...

Nic Jansma

When COVID started spreading in China in January 2020, I took it upon myself to build The Coronavirus App. That simple PWA has since been used by more than 15 million individual users....

JavaScript In Plain English

Many JavaScript frameworks bundle all dependencies into one large file. This makes it easy to add your JavaScript to an HTML page. The bundle requires only one link tag, and there are fewer calls needed to set up the page since all the JavaScript is in one place....

sumeet bhalla

In this short guide, we'll cover all necessary aspects of sorting an array by date in JavaScript. The array data structure in JavaScript has a built-in sort() method, but it is not designed to be used to sort an array by date....

StackAbuse

How to stub the browser FileSystem APIs from a Cypress test. Let's say you have a web application that calls browser FileSystem API to read a file. How do you write an end-to-end test for this app? The application above shows the system file selection which lets the user pick ...

Gleb Bahmutov

Despite being likely the most deployed data exchange format in the software industry to date, and beside the existing competing implementations chasing the best way to stringify or parse faster than a speeding bullet, there are still various "gotchas" around this standard that...

Andrea Giammarchi