Python101/colors3.html at master · wojtekidd/Python101 · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Colors 3 - with arrow notation</title>
<script>
    document.addEventListener('DOMContentLoaded', () => {
        document.querySelectorAll('button').forEach(function(button) {
            button.onclick = () => {
                document.querySelector('#hello').style.color = button.dataset.color;
            }
        })
    })
    </script>
</head>
<body>
<h1 id="hello" style="color: blue">This will change when you click one of the buttons below</h1>
<button class="change-color" data-color="red">Red</button>
<button class="change-color" data-color="black">Black</button>
<button class="change-color" data-color="green">Green</button>
</body>
</html>