JavaScript Number
Numbers are a fundamental data type in JavaScript that represents numerical values. They can be either integer or floating-point numbers.
Example:
let x
=
4;
let y
=
4.13;
JavaScript Number Methods
There are various methods available in JavaScript Date object.
| Method | Description |
|---|---|
| isNaN() | It determines whether the provided value is NaN. |
| isInteger() | It determines whether the provided value is an integer. |
| parseFloat() | It parses a string argument and returns a floating-point number. |
| parseInt() | It parses a string argument and returns an integer number. |
| toFixed() | Formats a number using fixed-point notation. |
| toString() | It converts a number to a string. |
Example:
let x
=
10;
console.log(Number.isInteger(a));
let y
=
NaN;
console.log(Number.isNaN(b));
let c
=
parseInt('05');
console.log(c);
Output:
true
true
6