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i5.html
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i5.html
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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>Document</title>
</head>
<body>
<section id="s1">
<h1>This is section one</h1>
<p>Paragraph one in section one</p>
<p>Paragraph two in section one</p>
<p>Paragraph three in section one</p>
</section>
<section id="s2">
<h2>This is section two</h2>
<p>Paragraph one in section two</p>
<p>Paragraph two in section two</p>
<p>Paragraph three in section two</p>
</section>
<button style="margin-top:10px;" id="click">Modify</button>
<script>
const button = document.getElementById('click')
button.addEventListener('click', function () {
const s1 = document.getElementById('s1')
const paragraphs = s1.querySelectorAll('p')
paragraphs.forEach(p=>{
p.remove()
})
})
</script>
</body>
</html>