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8-2-1.html
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8-2-1.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>
<style>
#rect{
position: relative;
width: 800px;
height: 600px;
background-color: #fff;
}
.ball {
position: absolute;
width: 40px;
height: 40px;
background-color: #f22;
border-radius: 50%;
color: #fff;
line-height: 40px;
text-align: center;
}
</style>
</head>
<body>
<!-- <input type="number" id='score' onchange="doCal()" onkeyup="doCal()" min='0' max="100"><br> -->
<div id="rect"></div>
<script>
const rect = document.querySelector('#rect')
let b, i
for (let i = 0; i < 10; i++) {
b = document.createElement('div')
b.className = 'ball'
b.innerHTML = i+1
b.style.left = i*50+'px'
b.style.top = '100px'
rect.appendChild(b)
}
</script>
</body>
</html>