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HTML <input> minlength 属性

❮ HTML <input> 标签

示例

一个 <input> 元素,其最小长度为 8 个字符

<form action="/action_page.php">
  <label for="password">密码:</label>
  <input type="password" id="password" name="password" minlength="8"><br><br>
  <input type="submit" value="提交">
</form>
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定义和用法

minlength 属性指定输入字段中所需的最小字符数。

注意: minlength 属性可用于输入类型:文本、搜索、URL、电话、电子邮件和密码。


浏览器支持

表中的数字指定完全支持该属性的第一个浏览器版本。

属性
minlength 40.0 17.0 51.0 10.1 27.0

语法

<input minlength="数字">

属性值

描述
数字 <input> 元素中所需的最小字符数

❮ HTML <input> 标签
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