鼠标移上变颜色和椭圆
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<html>
<head>
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<title>鼠标移上变颜色和椭圆</title>
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<body>
<script type="text/javascript">
function myfovus(x) {
x.style.background="red";
x.style.borderRadius="50px";
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<div style="width: 200px;height: 200px;border: 1px solid #000; background: pink;"
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