<html>
<head>
<meta charset="UTF-8" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/17.0.2/umd/react.development.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/17.0.2/umd/react-dom.development.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/babel-standalone/6.26.0/babel.min.js"></script>
</head>
<body>
<div id="app"></div>
<script type="text/babel">
const { useState } = React;
function App() {
const [items, setItems] = useState([]);
const addItem = () => {
const newItem = {
id: Date.now(),
name: 'Example',
quantity: items.length + 1,
};
setItems((prevItems) => [...prevItems, newItem]);
};
return (
<div className="container">
<h3>React Js Add JSON Object to array</h3>
<button onClick={addItem}>Add Item</button>
<ul>
{items.map((item) => (
<li key={item.id}>
{item.name} - Quantity: {item.quantity}
</li>
))}
</ul>
</div>
);
}
ReactDOM.render(<App />, document.getElementById("app"));
</script>
<style>
* {
box-sizing: border-box;
}
.container {
margin: 0 auto;
width: 600px;
text-align: center;
box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.12), 0 2px 4px 0 rgba(0, 0, 0, 0.24);
padding: 20px;
}
h3 {
color: #333;
font-size: 24px;
margin-bottom: 10px;
}
button {
padding: 10px 20px;
background-color: #4caf50;
color: white;
border: none;
border-radius: 4px;
font-size: 16px;
cursor: pointer;
}
button:hover {
background-color: #45a049;
}
ul {
list-style-type: none;
padding: 0;
}
li {
padding: 8px 0;
border-bottom: 1px solid #ddd;
}
li:last-child {
border-bottom: none;
}
</style>
</body>
</html>