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HTML <input> max 属性

❮ HTML <input> 标签

示例

min 和 max 属性的使用

<form action="/action_page.php">

  <label for="datemax">输入 1980-01-01 之前的日期:</label>
  <input type="date" id="datemax" name="datemax" max="1979-12-31"><br><br>

  <label for="datemin">输入 2000-01-01 之后的日期:</label>
  <input type="date" id="datemin" name="datemin" min="2000-01-02"><br><br>

  <label for="quantity">数量(介于 1 和 5 之间):</label>
  <input type="number" id="quantity" name="quantity" min="1" max="5"><br><br>

  <input type="submit">

</form>
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定义和用法

The max 属性指定 <input> 元素的最大值。

提示:max 属性与 min 属性一起使用以创建合法值的范围。

注意: max min 属性适用于以下输入类型:number、range、date、datetime-local、month、time 和 week。


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
max 5.0 10.0 16.0 5.1 10.6

语法

<input max="number|date">

属性值

描述
number 指定允许的最大值
date 指定允许的最大日期

❮ HTML <input> 标签
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