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其他参考手册

CSSStyleDeclaration JS 类型转换


Input Week stepUp() 方法

❮ Input Week 对象

实例

将一周字段的值增加 10 周:

document.getElementById("myWeek").stepUp(10);
亲自试一试 »

定义和用法

stepUp() 方法将 week 字段的值增加一个指定的数字。

这种方法只会对WEEKS(而不是几年)产生影响。

提示:要减小值,请使用stepDown() 方法。


浏览器支持

方法
stepUp() Yes 12.0 不支持 Yes Yes

注释: 在 Safari 中,您必须在星期字段中输入星期,然后才能增加值。


语法

weekObject.stepUp(number)

参数值

参数 描述
number 必需。指定周字段应增加的周数。

如果省略,则周数增加"1"

技术细节

返回值: 无返回值

更多实例

实例

将周数增加 1(默认):

document.getElementById("myWeek").stepUp();
亲自试一试 »

❮ Input Week 对象