problem description
the environmental background of the problems and what methods you have tried
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/ / Please paste the code text below (do not replace the code with pictures)
/ / Please paste the code text below (do not replace the code with pictures)
new Date(2018,11,0)the last parameter 0 is to take the last day
the start time is the 1st. As for the end time, you can set it to the 1st of next month and subtract one day from it.
upstairs the train of thought is right. You can see moment.js
JavaScript in the Date of the first month.
https://developer.mozilla.org.
there are some common methods for sorting out dates . The landlord can see if he can meet the demand
. get the time of next month first, then new Date (year, month, 0) is the last day of this month
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