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AJAX with JavaScript: A Practical Guide

Tutorial September 18, 2024
javascript 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>AJAX with Fetch API</title>
</head>
<body>
    <button id="fetchDataBtn">Fetch Data</button>
    <div id="dataOutput"></div>

    <script>
        document.getElementById('fetchDataBtn').addEventListener('click', function() {
            fetch('https://jsonplaceholder.typicode.com/posts/1')
                .then(response => {
                    if (!response.ok) {
                        throw new Error('Network response was not ok');
                    }
                    return response.json();
                })
                .then(data => {
                    document.getElementById('dataOutput').innerHTML = `
                        <h3>${data.title}</h3>
                        <p>${data.body}</p>
                    `;
                })
                .catch(error => console.error('There was a problem with the fetch operation:', error));
        });
    </script>
</body>
</html>

With the Fetch API:

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