下麵是Date setMilliseconds()方法的示例。
- 例:
<script> // Here a date has been assigned // while creating Date object var dateobj = new Date('October 13, 1996 05:35:32:77'); // New millisecond of 52 is being set in above Date // Object with the help of setMilliseconds() method dateobj.setMilliseconds(52); // New millisecond from above Date Object is // being extracted using getMilliseconds() var B = dateobj.getMilliseconds(); // Printing new millisecond document.write(B); </script>
- 輸出:
52
date.setMilliseconds()方法用於將毫秒數設置為使用date()構造函數創建的日期對象。
用法:
dateObj.setMilliseconds(milliseconds_Value);
參數:此方法接受如上所述和以下描述的單個參數:
- milliseconds_Value:此參數保留用於在date()構造函數中設置的毫秒值。
返回值:它返回由setMilliseconds()方法設置的新的即更新的毫秒數。
Note:DateObj是使用Date()構造函數創建的有效Date對象,我們要在其中設置毫秒。毫秒值是從0到999。
上述方法的更多代碼如下:
程序1:如果在Date()構造函數中沒有給出任何毫秒數,則setMilliseconds()方法仍然設置新的毫秒數作為其參數。
<script>
// Here millisecond has not been assigned
// while creating Date object
var dateobj = new Date('October 13, 1996');
// New millisecond of 51 is being set in above Date
// Object with the help of setMilliseconds() method
dateobj.setMilliseconds(51);
// New millisecond from above Date Object is
// being extracted using getMilliseconds()
var B = dateobj.getMilliseconds();
// Printing new millisecond
document.write(B);
</script>
Output:
51
程序2:如果在Date()構造函數中未提供任何參數作為參數,則仍將setMilliseconds()方法設置為毫秒,但月,年,日期等變為當前方法。這裏42是新毫秒數,4是當前月份,即4月,1是當前日期,2018是當前年份。
<script>
// Here nothing has been assigned
// while creating Date object
var dateobj = new Date();
// new millisecond of 42 is being set in
// above Date Object with the help of
// setMilliseconds() method
dateobj.setMilliseconds(42);
// Milliseconds from above Date Object is
// being extracted using getMilliseconds()
var B = dateobj.getMilliseconds();
// Month from above Date Object is
// being extracted using getMonth()
var C = dateobj.getMonth();
// Date from above Date Object is
// being extracted using getDate()
var D = dateobj.getDate();
// Year from above Date Object is
// being extracted using getFullYear()
var E = dateobj.getFullYear();
// Printing new milliseconds
document.write(B + "<br />");
// Printing current month
document.write(C + "<br />");
// Printing current date
document.write(D + "<br />");
// Printing current year
document.write(E);
</script>
輸出:
42 4 1 2018
範例3:如果將毫秒值1006設置為setMilliseconds()方法的參數,則會將6設置為毫秒,因為毫秒範圍是0到999,因此,此處減去1000,因為0到999為1000。
這裏的6是新的毫秒數,第二個秒數從32變為33,因為毫秒數範圍是從0到999,即總計1000,我們將新的毫秒數設置為1006,將第二個毫秒數從32增加到33,毫秒數變成了6。
<script>
// Here date has been assigned
// while creating Date object
var dateobj =
new Date('October 13, 1996 05:35:32:45');
// new millisecond of 1006 is being set
// in above Date Object with the help of
// setMilliseconds() method
dateobj.setMilliseconds(1006);
// milliseconds from above Date Object is
// being extracted using getMilliseconds()
var B = dateobj.getMilliseconds();
// Second from above Date Object is
// being extracted using getSeconds()
var C = dateobj.getSeconds();
// Printing new Milliseconds
document.write(B + "<br />");
// Printing second
document.write(C);
</script>
輸出:
6 33
支持的瀏覽器:下麵列出了JavaScript Date setMilliseconds()方法支持的瀏覽器:
- 穀歌瀏覽器
- IE瀏覽器
- 火狐瀏覽器
- Opera
- Safari
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注:本文由純淨天空篩選整理自Kanchan_Ray大神的英文原創作品 JavaScript Date setMilliseconds() Method。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。