Math Object In JavaScript

Math Object in JavaScript

JavaScript provides a builtin math object to make mathematical calculations easy. Several mathematical functions and constants are available with Math Object in JavaScript. There are predefined methods to calculate random(), sqrt(), min(),max(), sin(), cos(), floor(),ceil() etc. available in Math Object.

Math Object Methods

Method	Description
Math.random()	returns a value between 0(included) and 1(excluded)
Math.round()	returns the value of x rounded to its nearest integer
Math.pow(x,y)	returns the value calculated by applying x to the power of y
Math.sqrt()	returns the square root of a number
Math.abs()	returns the absolute value(positive)
Math.ceil()	returns the rounded up nearest number
Math.floor()	returns the rounded down nearest number
Math.sin()	return the sine value, the input is the value in radians (* to convert into angles  use formula angle*Math.PI/180))
Math.cos()	return the cosine value, the input is the value in radians (* to convert into angles use formula angle*Math.PI/180))
Math.min()	returns the minimum from the argument list
Math.max()	returns the maximum from the arguments list

Constants

Math Object also defines 8 constant values given below,

Constant	Description
Math.E	Euler's number
Math.PI	PI
Math.SQRT2	The square root of 2
Math.SQRT1_2	The square root of 1/2
Math.LN2	Natural Log of 2
Math.LN10	Natural Log of 10
Math.LOG2E	Base 2 logarithm of E
Math.LOG10E	Base 10 logarithm of E

 Example