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<html>3
<head>4
<meta charset="utf-8">5
<title>蜜蜂教程(mifengjc.com)</title>6
<style>7
#myDIV {8
border: 1px solid black;9
width: 300px;10
height: 300px;11
}12
</style>13
</head>14
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<body>16
<p>点击“尝试一下”按钮改变 DIV 元素的 border-bottom-right-radius 属性：</p>17
<button onclick="myFunction()">尝试一下</button>18
<div id="myDIV">19
<h1>Hello</h1>20
</div>21
<script>22
function myFunction() {23
document.getElementById("myDIV").style.borderBottomRightRadius = "25px";24
}25
</script>26
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</body>28
</html>