Introduction to using JavaScript Math. ceil () Functions

Introduction to using JavaScript Math. ceil () Functions

Math. ceil (x) -- returns the smallest integer greater than or equal to the number parameter (take the entire function) and rounds up the number. The following is a good example. If you are interested, refer

Math. ceil (x) -- returns the smallest integer greater than or equal to the number parameter (take the entire function) and rounds the number up.

 

Ceil is short for ceiling. It refers to "upper limit" in Chinese.

 

URL: http://www.dreamdu.com/javascript/Math.ceil/

 

Ceil function syntax

 

Math. ceil (x );

 

Ceil function parameters

 

X -- number of The number type

 

Ceil function return value

 

Returns the smallest integer greater than or equal to x.

 

Ceil function example

 

File. write (Math. ceil (5.99 ));

Document. write (Math. ceil (-5.99 ));

File. write (Math. ceil (1.01 ));

Document. write (Math. ceil (-1.01 ));

 

Result:

 

6

-5

2

-1