web dev notes

Posts for tag javascript

July 24, 201912:50

What is Jest?Jest is a testing framework to run Javascript unit tests focused on the simplicity. It can work with Babel, Typescript and a wide set of frameworks like Angular, Vue, React as well as Node.js code.

November 13, 201812:50

What are CSS variables?The CSS variables are more accurately known as CSS custom properties. You can define a value under a variable key and use it along your stylesheets wherever is in its scope. They can be very useful to avoid CSS repetition, with a better performance in run time for things like theme switching and very useful for extending or ‘polyfilling’ future CSS features.

March 13, 201801:52

What is React?React (sometimes called also ReactJs) is a library to create reusable components and build with that your web applications. Its development was leaded by Facebook development teams. Nowadays is pretty widely used around the world and there is a high demand of professionals with knowdledge and experience with the technology.

August 04, 201718:35

Four FREE practical courses about modern web development that will put you on the track of the web modern development. AngularJS, Progressive Web Applications (a.k.a. PWA), Javascript with ES6 new features, Firebase and React.js. All of these cover from basic to advanced aspects of the web development, but necessary if you want to be on top.