JavaScript | date.getMonth() method

The date.getMonth() is an inbuilt function in JavaScript which is used to fetch the month from given Date object.

Syntax:

DateObj.getMonth()

In the above syntax, DateObj is a valid Date object created using Date() conctructor from which we want to fetch months.

Parameter: This function does not takes any parameter. It is just used along with a Date Object from which we want to fetch Months.

Return Value: It returns the Month for the given Date object. Month is an integer value ranging from 0 to 11. Zero (0) means January, 1 means February and so on till 11 means December.

Below program illustrate the date.getMonth() method:

<script type="text/javascript"> 
  
// creating a Date Object 
var DateObj = new Date('October 15, 1996 05:35:32'); 
  
// month from above Date Object is 
// being extracted using getMonth() 
var months = DateObj.getMonth(); 
  
// Printing month. 
console.log(months); 
  
</script> 

Output:

Errors and Exceptions:

Program 1: Here date of the month should must lie in between 1 to 31 because no date can have month greater than 31. That is why it returns NaN i.e, Not a Number if the month in the Date object is greater than 31.

<script type="text/javascript"> 
  
// Creating a Date Object 
var DateObj = new Date('October 33, 1996 05:35:32'); 
  
// month from above Date Object is being  
// extracted using getMonth() 
var months = DateObj.getMonth(); 
  
// Printing month. 
console.log(months); 
  
</script> 

Output:

NaN

Program 2: If month is not given, it returns zero (0).

<script type="text/javascript"> 
  
// Creating a Date Object 
var DateObj = new Date('1996 05:35:32'); 
  
// month from above Date Object is being  
// extracted using getMonth() 
var months = DateObj.getMonth(); 
  
// Printing month. 
console.log(months); 
  
</script> 

Output:

Program 3: If nothing as parameter is given, it returns current month.

<script type="text/javascript"> 
  
// Creating a Date Object 
var DateObj = new Date(); 
  
// month from above Date Object is being  
// extracted using getMonth() 
var months = DateObj.getMonth(); 
  
// Printing month. 
console.log(months); 
  
</script> 

Output:

Application: It has many applications such as getting current month. Below program shows one of the applications of this function. It gives the current month.

<script type="text/javascript"> 
  
// Creating a Date Object 
var DateObj = new Date(); 
  
// month from above Date Object is being  
// extracted using getMonth() 
var months = DateObj.getMonth(); 
  
// Printing month. 
console.log(months); 
  
</script> 

Output:

JavaScript | date.getMonth() method

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