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JavaScript Check if Number is Integer

Last Updated on Wednesday 5th Oct 2022

javascript is integer

js isinteger.In JavaScript, isInteger() is a Number method that is used to return a Boolean value indicating whether a value is an integer.

Syntax

In JavaScript, the syntax for the isInteger() method is

			
					Number.isInteger(value);

			
	

Parameters or Arguments

  • value - The value to test whether it is an integer.

Returns

The isInteger() method returns true if the value is an integer. Otherwise, it returns false.

javascript isinteger

			
					console.log(Number.isInteger(64));
console.log(Number.isInteger(8.4));
console.log(Number.isInteger('53'));

			
	
  • 64 is an integer, its returns true
  • 8.4 is not an integer, its returns false
  • '53' is not a number and it does not convert the value to a number, its retunrs false
			
					// true
// false
// false