JavaScript Kicks - JSK Daily for Jul 30, 2021

JSK Daily for Jul 30, 2021 View this email in your browser

A community curated daily e-mail of JavaScript news



Capturing Keyboard Event Modifiers Across Operating Systems In JavaScript

I have something rather embarrassing to admit. At some point, for reasons that I can't remember, when I switched over to using a MacBook about a decade ago, I somehow got it in my head that the event.metaKey represented a "generic modifier" that worked across operating systems...

Ben Nadel




Using console.log() debugging in Visual Studio Code

Using the new in-built JavaScript debugger in Visual Studio code you can use the browser developer tools Console right inside the editor. I just published a "TikTok" style video on the official Visual Studio Code channel explaining this and - after lots of criticism for the qu...

Christian Heilmann




Everything You Need to Know about useEffect

In this article, I want to talk about the useEffect hook which I think is the best part of React hooks. The useEffect hook is perfect for handling side effects caused by mounting, un-mounting, changing state, etc. In order to understand how the useEffect hook works we first ne...

JavaScript In Plain English




Burn Cypress Tests on CircleCI

How to run a single test multiple times by using cypress-grep and CircleCI pipeline Sometimes you add a new end-to-end test and ask yourself: "Is this test flake-free? Is it reliable?" If a new test is unreliable, you are bound to break other people's test runs....

Gleb Bahmutov




Optimizing JavaScript Standard Library Functions in JSC

After three years working on JavaScriptCore (JSC), I recently had the opportunity to work on optimizing one of our standard library functions for the first time. I thought it'd be interesting to share what I learned about how they work in JSC and how we make them faster....

WebKit




JavaScript Modules - Explained with Examples

A module is a function or group of similar functions. They are grouped together within a file and contain the code to execute a specific task when called into a larger application. You create modules to better organize and structure your codebase. You can use them to break dow...

Kingsley Ubah




JavaScript: Everything You Need to Know to Get Started

In this article, we will be covering all the major aspects and features of JavaScript, unlike conventional blogs that contain only the regular details of any other programming language. A browser is a software application that gives access to information on the World Wide Web....

JavaScript In Plain English




How to clean node_modules folder packages that are not in Package.json

In this tutorial, we are going to learn about how to clean the extra packages in a node_modules folder that are not present in the package.json file using npm. To remove the node_modules folder packages that are not present in the package.json file, we can use the npm prune co...

Sai gowtham


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JSK Daily for Jul 29, 2021

Thursday, July 29, 2021

JSK Daily for Jul 29, 2021 View this email in your browser A community curated daily e-mail of JavaScript news JSK Weekly - July 28, 2021 July is on its way out, officially taking us into the second

JSK Weekly - July 28, 2021

Wednesday, July 28, 2021

July is on its way out, officially taking us into the second part of 2021. If you're interested in testing whether any characteristics of your application have changed, check out "Snapshot

JSK Daily for Jul 28, 2021

Wednesday, July 28, 2021

JSK Daily for Jul 28, 2021 View this email in your browser A community curated daily e-mail of JavaScript news Using BLoC Pattern with React Initially, the Business Logic Component (BLoC) pattern was

JSK Daily for Jul 26, 2021

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JSK Daily for Jul 26, 2021 View this email in your browser A community curated daily e-mail of JavaScript news Understanding 'this' keyword in JavaScript If you belong to a programming

JSK Daily for Jul 23, 2021

Friday, July 23, 2021

JSK Daily for Jul 23, 2021 View this email in your browser A community curated daily e-mail of JavaScript news Snapshot Testing for Frontends There are many types of software testing. Among these, one

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