Welcome to the JavaScript functions lab! You'll notice a few new things in this lesson that we haven't encountered before. Don't worry, we'll walk you through them. Even if you've walked through some ...

These internal describe () calls are used for describing the functions that you're going to write. In this case, the test is saying, "Okay, I think there's going to be a function called shout, and it ...

Love it or loathe it, JSX has made a big impact on front-end engineering. Here's a code-first intro to the HTML-based JavaScript templating language. JSX is a way to write HTML inside of JavaScript, ...