下面是一个例子 日期设置() 方法
null
- 例子:
<script>
// Here a date has been assigned according to
// universal time while creating Date object
var
dateobj =
new
Date(
'October 13, 1996 05:35:32 GMT-3:00'
);
// New hour 11 is being set in above Date
// Object with the help of setUTCHours() method
dateobj.setUTCHours(11);
// New hour from above Date Object is
// being extracted using getUTCHours()
var
B = dateobj.getUTCHours();
// Printing new hour
document.write(B);
</script>
- 输出:
11
这个 日期”() 方法用于根据使用date()构造函数创建的通用时间将小时设置为日期对象。
语法:
DateObj.setUTCHours(hours_Value);
参数: 此方法接受一个参数,如上所述,如下所述:
返回值: 它返回由setUTCHours()方法设置的新的即更新的小时数。
注: 这个 DateObj 是使用Date()构造函数创建的有效日期对象,我们希望在其中设置小时数。
以上方法的更多代码如下:
项目1: 如果在Date()构造函数中,我们不提供 小时 在创建Date对象时,still setUTCHours()方法将能够根据在创建的Date对象中作为其参数给出的世界时间设置新的小时。
<script> // Here hour has not been assigned according to // universal time while creating Date object var dateobj = new Date( 'October 13, 1996 GMT-3:00' ); // New hour 11 is being set in above Date // Object with the help of setUTCHours() method dateobj.setUTCHours(11); // New hour from above Date Object is // being extracted using getUTCHours() var B = dateobj.getUTCHours(); // Printing new hour document.write(B); </script> |
输出:
11
项目2: 如果Date()构造函数中没有给出任何参数,still setUTCHours()方法将能够设置小时,但根据世界时间,月份、年份和日期仍然是当前的。 这里11是新的时间,2是当前月份,即3月,30是当前日期,2018是当前年份。
<script> // Here nothing has been assigned // while creating Date object var dateobj = new Date(); // New hour 11 is being set in above Date // Object with the help of setUTCHours() method dateobj.setUTCHours(11); // Hour from above Date Object is // being extracted using getUTCHours() var B = dateobj.getUTCHours(); // Month from above Date Object is // being extracted using getUTCMonth() var C = dateobj.getUTCMonth(); // date from above Date Object is // being extracted using getUTCDate() var D = dateobj.getUTCDate(); // Year from above Date Object is // being extracted using getUTCFullYear() var E = dateobj.getUTCFullYear(); // Printing new Hour 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> |
输出:
11 2 30 2018
方案3: 如果将hour的值设为26作为setHours()方法的参数,它会将2设为小时,因为小时范围为0到23,因此 ,这里24被减,因为0到23是24。
<script> // Here nothing has been assigned // while creating Date object var dateobj = new Date( 'October 13, 1996 05:35:32' ); // New hour 26 is being set in above Date // Object with the help of setUTCHours() method dateobj.setUTCHours(26); // Hour from above Date Object is // being extracted using getUTCHours() var B = dateobj.getUTCHours(); // Month from above Date Object is // being extracted using getUTCMonth() var C = dateobj.getUTCMonth(); // Date from above Date Object is // being extracted using getUTCDate() var D = dateobj.getUTCDate(); // Year from above Date Object is // being extracted using getUTCFullYear() var E = dateobj.getUTCFullYear(); // Printing new Hour document.write(B + "<br />" ); // Printing month document.write(C + "<br />" ); // Printing date document.write(D + "<br />" ); // Printing year document.write(E); </script> |
输出:
2 9 14 1996
支持的浏览器: 支持的浏览器 JavaScript Date setUTCHours()方法 以下列出了:
- 谷歌Chrome 1及以上版本
- 边缘12及以上
- Firefox 1及以上版本
- Internet Explorer 4及以上版本
- 歌剧4及以上
- Safari 1及以上
© 版权声明
文章版权归作者所有,未经允许请勿转载。
THE END