慕桂英7305389
2020-10-23 10:20
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>input-number</title>
</head>
<body>
<form>
<input type ="number" placeholder="请输入账号" name="数量" id="数量"/>
</form>
</body>
</html>
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>input-number</title>
</head>
<body>
<form>
<label for="n_num">数量</label>
<input type ="number" placeholder="请输入账号" name="n_num" id="数量"/>
</form>
</body>
</html>
初识HTML(5)+CSS(3)-升级版
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