Copyright © tutorialspoint.com
This method returns the value of a number rounded to the nearest integer.
Math.round( x ) ; |
Here is the detail of parameters:
x: A number
Returns the value of a number rounded to the nearest integer.
<html> <head> <title>JavaScript Math round() Method</title> </head> <body> <script type="text/javascript"> var value = Math.round( 0.5 ); document.write("First Test Value : " + value ); var value = Math.round( 20.7 ); document.write("<br />Second Test Value : " + value ); var value = Math.round( 20.3 ); document.write("<br />Third Test Value : " + value ); var value = Math.round( -20.3 ); document.write("<br />Fourth Test Value : " + value ); </script> </body> </html> |
This will produce following result:
First Test Value : 1 Second Test Value : 21 Third Test Value : 20 Fourth Test Value : -20 |
To understand it in better way you can Try it yourself.
Copyright © tutorialspoint.com