javascript-ground/dyn-smpl-tbl.html at main · dev-art-tech/javascript-ground · GitHub

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<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTf-8">
        <meta name="viewport" content="width=device-width,
        inital-scale=1.0">
        <title>Dynamic simple table</title>
        <style>
            table {
                width: 100%;
                border-collapse: collapse;
            }
            th, td {
                border: 1px solid #ddd;
                padding: 8px;
                text-align: left;
            }
            th {
                background-color: #f2f2f2;
            }
        </style>
    </head>
    <body>
        <h1>Dynamic table in JavaScript</h1>
        <div id="table-container"></div>
        <script>
            const data = [
                { name: "John", age: 28, city: "New York" },
                { name: "Anna", age: 22, city: "London" },
                { name: "Mike", age: 32, city: "Chicago" }
            ];

            function createTable(data) {
                // table
                    // thead -> tr -> th
                    // tbody -> tr -> td
                const table = document.createElement('table'); // -> thead
                const thead = document.createElement('thead'); // -> tr
                const headerRow = document.createElement('tr'); // -> th

                const headers = ["Name", 'Age', "City"];
                headers.forEach(headerText => {
                    const th = document.createElement('th');
                    th.textContent = headerText;

                    headerRow.appendChild(th);
                });
                thead.appendChild(headerRow);
                table.appendChild(thead);

                const tbody = document.createElement('tbody');
                data.forEach(item => {
                    const tr = document.createElement('tr');
                    Object.values(item).forEach(text => {
                        const td = document.createElement('td');
                        td.textContent = text;
                        tr.appendChild(td);
                    });
                    tbody.appendChild(tr);
                });
                table.appendChild(tbody);
                return table;
            }

            const tableContainer = document.getElementById('table-container');
            const table = createTable(data);

            tableContainer.appendChild(table);
        </script>
    </body>
</html>