编辑下面的代码:【加编码】
<html> <body> <p>Display a gauge:</p> <p><meter value="0.3" high="0.9" low="0.1" optimum="0.5"></meter></p> <p><strong>Note:</strong> The meter tag is not supported in Internet Explorer.</p> </body> </html>
结果: 【此窗口】 帮助?
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