JavaScript Kicks - JSK Daily for Apr 1, 2021

Ania Kubów talks with John, Ward, and Dan about her tutorials, including building a TikTok clone in React. What tech stack did she choose? How did she build her API? How do Netlify functions play a role? And what does her YouTube channel focus on? Link to episode. const podcast...

John Papa

Got an error like this in your React component? Cannot read property `map` of undefined In this post we'll talk about how to fix this one specifically, and along the way you'll learn how to approach fixing errors in general....

Dave Ceddia

February 22, 2021 A few years ago I wrote an article called Let's build a search bar in React where I showed readers (you guessed it!) how to build a search bar in React. When I wrote that article, React Hooks didn't exist so it is written using class components....

Tim Smith

Safari Technology Preview Release 123 is now available for download for macOS Big Sur and macOS Catalina. If you already have Safari Technology Preview installed, you can update in the Software Update pane of System Preferences on macOS. This release covers WebKit revisions 27...

WebKit

Sometimes you may need to take an array and apply some procedure to its elements so that you get a new array with modified elements. Instead of manually iterating over the array using a loop, you can simply use the built-in Array.map() method. The Array.map() method allows you...

NathanSebhastian

The Intersection Observer API provides a way to asynchronously observe changes in the intersection of a target element with an ancestor element or with a top-level document's viewport. - developer.mozilla.org For our design, IntersectionObserver can be a good fit because it ca...

Shubham Khatri

Trying to understand the world of Frontend Software Development is like trying to solve a Rubix cube that automatically scrambles itself when you get close to solving it. You'll never fully understand it, and that's ok! What you can do though is maybe stop worrying about the e...

Jonathan Creamer