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CS343-Labs/Prep 7/index.html
2025-09-10 14:42:57 -04:00

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HTML
Executable File

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Prep 7</title>
<meta author="Nicholas Tamassia">
<style>
body {
margin: 0;
padding: 0;
}
</style>
</head>
<body>
<form action="" id="number-form">
<label for="number-input">Number of images:</label>
<input id="number-input" name="image-number" type="number">
<button type="submit">Generate</button>
</form>
<form action="" id="color-form">
<label for="color-input">Background color</label>
<input id="color-input" name="background-color" type="color" />
<button type="submit">Change background</button>
</form>
<div id="wrapper"></div>
<script>
const wrapper = document.getElementById('wrapper')
const numberForm = document.getElementById('number-form')
const colorForm = document.getElementById('color-form')
numberForm.onsubmit = (event) => {
event.preventDefault()
const imageCount = Number(new FormData(numberForm).get('image-number'))
if (imageCount < 0) return
while (wrapper.firstChild) {
wrapper.removeChild(wrapper.lastChild)
}
for (let i = 0; i < imageCount; i++) {
const img = new Image(200, 200)
img.src = `https://picsum.photos/200/200?random=${Math.ceil(Math.random() * 100)}`
wrapper.appendChild(img)
}
}
colorForm.onsubmit = (event) => {
event.preventDefault()
const formData = new FormData(colorForm)
document.body.style.backgroundColor = formData.get('background-color')
}
</script>
</body>
</html>