All Articles A JavaScript and JSX file are not exactly the same thing. There's one notable difference between them you can learn of in this article. Yes. You can declare and reuse variables in CSS by reading this article. One conversion Python won't allow you to do is to convert a string structured as a floating point number (a number with a decimal point) to an integer. You can put your environment variables in a next.config.js file The role attribute is an important aspect of accessibility. Reading more about it in this article. Add the lang attribute to the root of your Next JS website without creating a _document.js file