JavaScript Math round() Method (original) (raw)
Last Updated : 16 Sep, 2024
The JavaScript Math.round() method rounds a number to the nearest integer. It rounds up for decimal values of 0.5 and higher, and down otherwise.
**Syntax:
Math.round(value);
**Parameters:
- **value: It is the number that you want to round off.
**Return Value:
The Math.round() method returns the value of the given number rounded to the nearest integer.
**Example 1: To round off a number to its nearest integer.
javascript `
let round =Math.round(-5.8); console.log("Number after rounding : " + round);
`
Output
Number after rounding : -6
**Example 2: The Math.round() method itself rounds off a negative number when passed as a parameter to it. To round off a negative number to its nearest integer, the Math.round() method should be implemented in the following way:
javascript `
let round =Math.round(-5.8); console.log("Number after rounding : " + round);
`
Output
Number after rounding : -6
**Example 3: The below program shows the result of the Math.round() method when the parameter has ".5" in decimal.
javascript `
let round =Math.round(-12.5); console.log("Number after rounding : " + round); let round1 =Math.round(12.51); console.log("Number after rounding : " + round1);
`
Output
Number after rounding : -12 Number after rounding : 13
We have a complete list of Javascript Math Objects methods, to check those please go through this Javascript Math Object Complete reference article.