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CSSStyleDeclaration JS Conversion


JavaScript Math.round()

Examples

let x = Math.round(2.5);
Try it Yourself »
let a = Math.round(2.60);
let b = Math.round(2.50);
let c = Math.round(2.49);
let d = Math.round(-2.60);
let e = Math.round(-2.50);
let f = Math.round(-2.49);
Try it Yourself »

Definition and Usage

The Math.round() method rounds a number to the nearest integer.

2.49 will be rounded down (2), and 2.5 will be rounded up (3).




Syntax

Math.round(x)

Parameters

Parameter Description
x Required.
A number.

Return Value

Type Description
NumberThe number rounded to the nearest integer.

Browser Support

Math.round() is an ECMAScript1 (ES1) feature.

ES1 (JavaScript 1997) is fully supported in all browsers:

Chrome IE Edge Firefox Safari Opera
Yes Yes Yes Yes Yes Yes