getmonth
JavaScript Date getMonth()方法 (JavaScript Date getMonth() method)
getMonth() method is a Date’s class method and it is used to get the value of the month from the current date.
getMonth()方法是Date的类方法，用于从当前日期获取月份的值。
It accepts nothing as the parameter and returns a value between 0 to 11.
它不接受任何内容作为参数，并返回0到11之间的值。
Note: Returned value is from 0 to 11, 0 for January, 1 for February, …, 11 for December
注意：返回值是从0到11，一月为0，二月为1，…，十二月为11
Syntax:
句法：
var dt = new Date(); dt.getMonth();
Examples:
例子：
Input: var dt = new Date(); dt.getMonth(); Output: 2 (if current month is March)
JavaScript code to get the month value from the current date using getMonth() method
JavaScript代码使用getMonth()方法从当前日期获取月份值
<html><head><title>JavaScipt Example</title></head><body><script>var dt = new Date(); //Date constructor var month = dt.getMonth(); //getting month from the current date//printing monthdocument.write(“Current month is : ” + month);</script></body></html>
Output
输出量
Current month is : 2
翻译自: https://www.includehelp.com/code-snippets/date-getMonth-method-with-example-in-javascript.aspx
getmonth