xxxxxxxxxx<html><head><meta charset="utf-8"> <title>W3Cschool(w3cschool.cn)</title> </head><body><form action="/statics/demosource/demo-form.php" method="get" id="form1">First name: <input type="text" name="fname"><br><input type="submit" value="提交"></form><p>展示给定的数据范围:</p><p>Anna's score: <meter form="form1" name="anna" min="0" low="40" high="90" max="100" value="95"></meter></p><p><strong>注意:</strong>几乎没有主流浏览器支持 meter 标签的 form 属性。</p></body></html>