Math
The Math global object contains mathematical constants and functions. All properties and methods are static, so you don't must create a object instance by new operator.
Math works only with Number type, not with BigInt.
console.log(`pi = ${Math.PI}, cos(pi) = ${Math.cos(Math.PI)}`);properties
| property | description |
|---|---|
| E | Euler's constant and the base of natural logarithms (~ 2.718). |
| LN2 | Natural logarithm of 2 (~ 0.693). |
| LN10 | Natural logarithm of 10 (~ 2.303). |
| LOG2E | Base 2 logarithm of E (~ 1.443). |
| LOG10E | Base 10 logarithm of E (~ 0.434). |
| PI | π number, defined as ratio of the a circle's circumference to its diameter (~ 3.14159). |
| SQRT1_2 | Square root of 0.5 (~ 0.707). |
| SQRT2 | Square root of 2 (~ 1.414). |
methods
| method | description |
|---|---|
| abs(x) | Returns the absolute value of a given number. |
| acos(x) | Returns the arccosine. x is in range [-1; 1]. The return value is in range [0; π] radian. |
| acosh(x) | Returns the hyperbolic arccosine of the given number. |
| asin(x) | Returns the arcsine. x is in range [-1; 1]. The return value is in range [-π/2; π/2] radian. |
| asinh(x) | Returns the hyperbolic arcsine of the given number. |
| atan(x) | Returns the arctangent. The return value is in range [-π/2; π/2] radian. |
| atanh(x) | Returns the hyperbolic arctangent of the given number. |
| atan2(x,y) | Returns the arctangent of given point coordinates. The return value is in range [-π; π] radian. |
| cbrt(x) | Returns the cube root. |
| ceil(x) | Returns the smallest integer greater than or equal to a x. |
| clz32(x) | Returns the number of leading zeroes of a 32-bit integer. |
| cos(x) | Returns the cosine of a given angle in radians. |
| cosh(x) | Returns the hyperbolic cosine. |
| exp(x) | Returns ex. |
| expm1(x) | Returns ex-1. |
| floor(x) | Returns the largest integer less than or equal to a x. |
| fround(x) | Returns the nearest single precision float representation of a x. |
| hypot([x [,y[,...]]]) | Returns the square root of the sum of squares of its arguments. |
| imul(x,y) | Returns the result of a 32-bit integer multiplication. |
| log(x) | Returns the natural logarithm (㏑) of a x. |
| log1p(x) | Returns the natural logarithm (㏑) of a (1+x). |
| log10(x) | Returns the base 10 logarithm of a x. |
| log2(x) | Returns the base 2 logarithm of a x. |
| max([x [,y[,...]]]) | Returns the largest number from its arguments. |
| min([x [,y[,...]]]) | Returns the smallest number from its arguments. |
| pow(x, y) | Returns xy. |
| random() | Returns a pseudo-random number in range [0; 1). |
| round(x) | Returns the value of a number rounded to the nearest integer. |
| sign(x) | Returns the sign of the x:
|
| sin(x) | Returns the sine of given angle in radians. |
| sinh(x) | Returns the hyperbolic sine. |
| sqrt(x) | Returns the positive square root. |
| tan(x) | Returns the tangent. |
| tanh(x) | Returns the hyperbolic tangent. |
| trunc(x) | Returns the integer part of the x. |