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HTML <textarea> maxlength 属性

❮ HTML <textarea> 标签

示例

一个最大长度为 50 个字符的文本区域

<textarea maxlength="50">
在此输入文本...
</textarea>
尝试一下 »

定义和用法

maxlength 属性指定文本区域的最大长度(以字符为单位)。


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
maxlength 10.0 4.0

语法

<textarea maxlength="number">

属性值

描述
number 文本区域中允许的最大字符数

❮ HTML <textarea> 标签
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