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JS Functions

Function Definitions Function Parameters Function Invocation Function Call Function Apply Function Bind Function Closures

JS Classes

Class Intro Class Inheritance Class Static

JS Async

JS Callbacks JS Asynchronous JS Promises JS Async/Await

JS HTML DOM

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JS JSON

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JS Examples

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JS References

JavaScript Objects HTML DOM Objects


JavaScript Math Reference


Math Methods and Properties

Name Description
abs(x) Returns the absolute value of x
acos(x) Returns the arccosine of x, in radians
acosh(x) Returns the hyperbolic arccosine of x
asin(x) Returns the arcsine of x, in radians
asinh(x) Returns the hyperbolic arcsine of x
atan(x) Returns the arctangent of x as a numeric value between -PI/2 and PI/2 radians
atan2(y, x) Returns the arctangent of the quotient of its arguments
atanh(x) Returns the hyperbolic arctangent of x
cbrt(x) Returns the cubic root of x
ceil(x) Returns x, rounded upwards to the nearest integer
clz32(x) Returns the number of leading zeros in a 32-bit binary representation of x
cos(x) Returns the cosine of x (x is in radians)
cosh(x) Returns the hyperbolic cosine of x
E Returns Euler's number (approx. 2.718)
exp(x) Returns the value of Ex
expm1(x) Returns the value of Ex minus 1
f16round(x) Returns x, rounded downwards to the nearest integer
floor(x) Returns x, rounded downwards to the nearest integer
fround(x) Returns the nearest (32-bit single precision) float representation of a number
LN2 Returns the natural logarithm of 2 (approx. 0.693)
LN10 Returns the natural logarithm of 10 (approx. 2.302)
log(x) Returns the natural logarithmof x
log10(x) Returns the base-10 logarithm of x
LOG10E Returns the base-10 logarithm of E (approx. 0.434)
log1p(x) Returns the natural logarithm of 1 + x
log2(x) Returns the base-2 logarithm of x
LOG2E Returns the base-2 logarithm of E (approx. 1.442)
max(x1,x2,..) Returns the number with the highest value
min(x1,x2,..) Returns the number with the lowest value
PI Returns PI (approx. 3.14)
pow(x, y) Returns the value of x to the power of y
random() Returns a random number between 0 and 1
round(x) Rounds x to the nearest integer
sign(x) Returns the sign of a number (checks whether it is positive, negative or zero)
sin(x) Returns the sine of x (x is in radians)
sinh(x) Returns the hyperbolic sine of x
sqrt(x) Returns the square root of x
SQRT1_2 Returns the square root of 1/2 (approx. 0.707)
SQRT2 Returns the square root of 2 (approx. 1.414)
tan(x) Returns the tangent of an angle
tanh(x) Returns the hyperbolic tangent of a number
trunc(x) Returns the integer part of a number (x)

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