jQuery or $ not defined WordPress Issue

jQuery is a well known and very popular javascript library. It is used to manipulate DOM tree, event handling, animation and for dynamic content loading with Ajax. jQuery is very easy to learn and use. We just need to add the jQuery library in the header section of your HTML page and then you can start using it. Using jQuery with WordPress is a little tricky because WordPress is using other javascript libraries that can conflict with jQuery and that is why we get the jQuery not defined or $ not defined error.

Setup React Project with Webpack 4 and Babel

Facebook created create-react-app utility to set up React Project with minimum effort and configuration. There is also a way to create your own setup for React project from scratch. Let’s start without wasting too much time.

Before starting, make sure you have installed npm on your computer. To check that run the following command npm -v this command outputs you the version of npm. NPM comes with NodeJs and you can install it from the official Node.js site.