How to use round in javascript

This article mainly introduces the relevant knowledge of "how to use round in javascript". Xiaobian shows you the operation process through actual cases. The operation method is simple and fast and practical. I hope this article "how to use round in javascript" can help you solve the problem.

In JavaScript, the round() method means rounding a number to the nearest integer, and the result returned is the rounded result, with the syntax "Math.round(number)."

Operating environment of this tutorial: Windows 10 system, Javascript version 1.8.5, Dell G3 computer.

What does round mean in JavaScript?

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

Note: 2.49 is rounded off by 2 , 2.5 is rounded off by 3.

All major browsers support the round() method

syntax

Math.round(x)

X is required. It has to be a number.

Examples are as follows:

123 Click the button to round the nearest integer to "2.5"