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HTML step 属性


定义和用法

The step 属性指定 <input> 元素的合法数字间隔。

示例:如果 step="3",合法的数字可以是 -3、0、3、6 等。

提示:The step 属性可以与 maxmin 属性一起使用,以创建一系列合法值。

注意:The step 属性与以下输入类型一起使用:number、range、date、datetime、datetime-local、month、time 和 week。


适用于

The step 属性可以在以下元素上使用

元素 属性
<input> step

示例

具有指定合法数字间隔的输入字段的 HTML 表单

<form action="/action_page.php">
  <input type="number" name="points" step="3">
  <input type="submit">
</form>
亲自试一试 »

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
step 6.0 10.0 16.0 5.0 10.6

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