The getMonth() method returns the month in the specified date according to local time, as a zero-based value (where zero indicates the first month of the year).
dateObj.getMonth()
An integer number, between 0 and 11, representing the month in the given date according to local time. 0 corresponds to January, 1 to February, and so on.
getMonth()
The second statement below assigns the value 11 to the variable month, based on the value of the Date object Xmas95.
var Xmas95 = new Date('December 25, 1995 23:15:30');
var month = Xmas95.getMonth();
console.log(month); // 11
| Specification | Status | Comment |
|---|---|---|
| ECMAScript 1st Edition (ECMA-262) | Standard | Initial definition. Implemented in JavaScript 1.0. |
| ECMAScript 5.1 (ECMA-262) The definition of 'Date.prototype.getMonth' in that specification. | Standard | |
| ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'Date.prototype.getMonth' in that specification. | Standard | |
| ECMAScript Latest Draft (ECMA-262) The definition of 'Date.prototype.getMonth' in that specification. | Draft |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | Yes | Yes | 1 | Yes | Yes | Yes |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | Yes | Yes | Yes | 4 | Yes | Yes | Yes |
| Server | |
|---|---|
| Node.js | |
| Basic support | Yes |
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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getMonth