代码编辑器:
x
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<script>
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function addBorder(){
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document.getElementById("compman").border="2";
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}
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</script>
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<img id="compman" src="/static/i/img3.jpg" alt="Computerman" width="107">
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<br><br>
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<input type="button" onclick="addBorder()" value="加上边框">
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