React-js/DOM.html at master · on1ManArmy/React-js · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Intro</title>
    <script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>
    <script crossorigin src="https://unpkg.com/react@16/umd/react.development.js"></script>
<script crossorigin src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
</head>
<body>
    <div id="app"></div>
    <!-- class cannot be added in js bcz its reserved keyword in javascript-->
    <script type="text/babel">
        class App extends React.Component{
            state = {
                name : "Abhishek",
                age : 30

            }
            handleOnClick(e)
            {
                console.log(e.target);
            }
            handleMouseOver(e)
            {
                console.log(e.target,e.pageX);
            }
            handleCopy(e)
            {
                console.log("Once you copy you cannot learn!!")
            }
            render() {
                return (
                    <div className="app-content">
                    <h1> Hey, yay!</h1>
                    <p> My name is {this.state.name} and i am {this.state.age} years
                        old</p>
                        <button onClick={this.handleOnClick}>Click Me</button>
                        <button onMouseOver={this.handleMouseOver}>Hover Me</button>
                        <p onCopy={this.handleCopy}>Helloe this is confidential</p>

                    </div>
                )
            }
        }
        ReactDOM.render(<App/>, document.getElementById('app'))
    </script>
</body>
</html>