The Math.ceil() method rounds a number upward to the nearest integer.
Example
You can try to the following code to round up a number −
Live Demo
<html> <head> <title>JavaScript Math ceil() Method</title> </head> <body> <script> var value = Math.ceil( 2.7 ); document.write("First Test Value : " + value ); var value = Math.ceil( 30.2 ); document.write("<br />Second Test Value : " + value ); </script> </body> </html>
Output
First Test Value : 3 Second Test Value : 31