JavaScript Numbers - Math Library

Method	Description
abs	Returns the absolute value of a number.
ceil	Returns the next largest whole number or integer
floor	Returns the largest integer less than or equal to a given number
max	Returns the largest of zero or more numbers
min	Returns the smallest of zero or more numbers
pow	Returns the base to the exponent power
random	Returns a floating point, random number in the range 0 (inclusive) to 1 (exclusive)
round	Returns the value of a number rounded to the nearest integer
sign	Returns either a positive or negative indicating the sign of a number
trunc	Returns the integer part of a number by removing any fractional digits. Not supported in Internet Explorer