1. require vs. Import
// ES5
var React = require('react');

// ES6
import React from 'react';

// ES5
module.exports = Component;

// ES6
export default Component;

// ES5
var MyComponent = React.createClass({
render: function() {
return(
<h3>Hello JavaTpoint</h3>
);
}
});

// ES6
class MyComponent extends React.Component {
render() {
return(
<h3>Hello Javatpoint</h3>
);
}
}

// ES5
var App = React.createClass({
propTypes: { name: React.PropTypes.string },
render: function() {
return(
<h3>Hello, {this.props.name}!</h3>
);
}
});

// ES6
class App extends React.Component {
render() {
return(
<h3>Hello, {this.props.name}!</h3>
);
}
}

Check if the video is fully in view, and if so, play it; otherwise, pause.
The muted attribute is added to ensure autoplay on most browsers.

A file path tells the browser where to find a file (like an image, CSS file, or JavaScript noscript) relative to the current HTML document.

A mechanism that allows JavaScript to manage multiple tasks efficiently in a single-threaded environment.

The CSS Painting API allows you to create flexible, programmatic backgrounds that can dynamically adapt to element size and properties without using external images or heavy CSS animations.