3.1 What is React?
Start with vanilla JavaScript
# Background
Create a simple "Hello World" HTML5 application with modern JavaScript. The index.html file has been provided to get you started. It has an empty <div> with the id of root. This is the container element that will hold all of the application generated content.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Hello React</title>
<style>
.container {
font-size: 2rem;
}
</style>
</head>
<body>
<div id="root"></div>
</body>
</html>
# Requirements
- Add a JavaScript block at the bottom of the
<body>element. - Using only plain JavaScript:
- create a new
<div>containing the text "Hello World" - add the class name "container" to this
<div>element - append this new
<div>to the#rootelement
- create a new