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JavaScript getUTCDay()方法


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-03-04   浏览: 298 ::
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Definition and Usage
定义与用法

The getUTCDay() method returns a number that represents the day of the week according to the Universal Coordinated Time (UTC).
根据UTC,getUTCDay()方法返回代表星期的数字

Syntax
语法

dateObject.getUTCDay()


Tips and Notes
提示与注意点

Note: The value returned by getUTCDay() is a number between 0 and 6. Sunday is 0, Monday is 1 and so on.
注意:getUTCDay()所返回的值在0到6之间。星期天是0,星期一是1,依次类推

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

Tip: The Universal Coordinated Time (UTC) is the time set by the World Time Standard.
提示:UTC是由国际时间标准设定的。


Example
举例

In this example we get the current UTC day (as a number) of the week:
在这个举例中我们得到了当前的UTC星期:

<script type="text/javascript">
var d=new Date()
document.write(d.getUTCDay())
</script>

The output of the code above will be:
输出结果为:



Example 2
举例 2

Now we will create an array to get our example above to write a weekday, and not just a number:
现在我们建立一个数组来显示星期名称,而不是简单的数字:

<script type="text/javascript">
var d=new Date()
var weekday=new Array(7)
weekday[0]="Sunday"
weekday[1]="Monday"
weekday[2]="Tuesday"
weekday[3]="Wednesday"
weekday[4]="Thursday"
weekday[5]="Friday"
weekday[6]="Saturday"
document.write("Today it is " + weekday[d.getUTCDay()])
</script>

The output of the code above will be:
输出结果为:



Try-It-Yourself Demos
尝试与演示

getUTCDay()
Use getUTCDay() and an array to write a weekday, and not just a number.
使用getUTCDay()和数组来显示星期,而不仅仅是数字

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