The Math.Round () method for rounding in JavaScript is explained

Source: Internet
Author: User
Tags integer math round

This article mainly describes the JavaScript used for rounding the Math.Round () method, is the basic knowledge of JS learning, need friends can refer to the

This method returns the value of a number rounded to the nearest integer.



1 Math.Round (x);

The following are the details of the parameters:

X: A number

return value:

Returns the value of a number rounded to the nearest integer.



1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20-21

This will produce the following results:


Firs T test value:1 Second Test value:21 Third Test value:20 Fourth Test Value: -20
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