当前位置: 首页 > 网络学院 > 客户端脚本教程 > JavaScript > JavaScript setHours()方法
The setHours() method is used to set the hour of a specified time.
setHours()方法可用来指定时间的小时
dateObject.setHours(hour,min,sec,millisec) |
Parameter 参数 | Description 描述 |
---|---|
hour | Required. A numeric value between 0 and 23 representing the hour 必选。代表小时的数字值范围是0到23 |
min | Optional. A numeric value between 0 and 59 representing the minutes 可选。代表分钟的数字值范围在0到59 |
sec | Optional. A numeric value between 0 and 59 representing the seconds 可选。代表秒的数字值范围在0到59 |
millisec | Optional. A numeric value between 0 and 999 representing the milliseconds 可选。代表毫秒的数字值范围在0到999 |
Note: If one of the parameters above is specified with a one-digit number, JavaScript adds one or two leading zeros in the result.
注意:如果上面的参数指定了使用一位数字,JS会在结果中会在前面加上一个或两个0
Note: This method is always used in conjunction with a Date object.
注意:这个方法得结合Date对象使用
In this example we set the hour of the current time to 15, with the setHours() method:
在这个举例中我们通过setHours()方法将当前时间的小时设置为15:
<script type="text/javascript"> var d = new Date() </script> |
The output of the code above will be:
输出结果为:
In this example we set the time to 15:35:01, with the setHours() method:
在这个举例中我们通过setHours()方法将时间设置为15:35:01
<script type="text/javascript"> var d = new Date() </script> |
The output of the code above will be:
输出结果为:
setHours()
How to use setHours() to set the time.
怎样使用setHours()方法来设置时间