setUTCMonth() method sets the month for a specified
date according to universal time.
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- An integer between 0 and 11, representing the months January through December.
- Optional. An integer from 1 to 31, representing the day of the month.
The number of milliseconds between 1 January 1970 00:00:00 UTC and the updated date.
If you do not specify the
dayValue parameter, the value returned from the
getUTCDate() method is used.
If a parameter you specify is outside of the expected range,
attempts to update the date information in the
Date object accordingly.
For example, if you use 15 for
monthValue, the year will be incremented by
1, and 3 will be used for month.
var theBigDay = new Date(); theBigDay.setUTCMonth(11);
The definition of 'Date.prototype.setUTCMonth' in that specification.
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