JavaScript Math.ceil() Method

　JavaScript Math Object

Math.ceil()The method returns the smallest integer greater than or equal to the given floating-point number.

If the passed parameter is an integer, the value will remain unchanged.

Because ceil() is a static method of Math, you always use it asMath.ceil()It is not used as a method of the Math object created.

Syntax:

Math.ceil(x)

Math.ceil(3.14);　　　//　4
Math.ceil(.)95);//　1
Math.ceil(5);　　//　5
Math.ceil(-18);//　-18
Math.ceil(-0.72);　　//　0

Browser Compatibility

All browsers fully support the Math.ceil() method:

Parameter Value

Technical Details

　JavaScript Math Object