The JavaScript Math object allows you to perform mathematical tasks.
All JavaScript methods/properties of Math can be called by using Math as an object (without creating it).
Example:
<!DOCTYPE html>
<html>
<body>
<p><b>Math.PI returns PI:</b></p>
<p id="piExample"></p>
<p><b>Math.sqrt(16) returns the square root of 16:</b></p>
<p id="sqrtExample"></p>
<script>
var x = Math.PI;
var y = Math.sqrt(10);
document.getElementById("piExample").innerHTML = x;
document.getElementById("sqrtExample").innerHTML = y;
</script>
</body>
</html>Output:
Math.PI returns PI:
Math.sqrt(16) returns the square root of 16:
Math object properties:
E – the JavaScript E property returns the Euler’s number and the base of natural logarithms (approx. 2.718).
LN2 – the JavaScript LN2 property returns the natural logarithm of 2 (approx. 0.693).
LN10 – the JavaScript LN10 property returns the natural logarithm of 10 (approx. 2.302).
LOG2E – the JavaScript LOG2E property returns the base-2 logarithm of E (approx. 1.442).
LOG10E – the JavaScript LOG10E property returns the base-10 logarithm of E (approx. 0.434).
PI – the JavaScript PI property returns the ratio of a circle’s area to the square of its radius (approx.3.14).
SQRT1_2 – the JavaScript SQRT1_2 property returns the square root of 1/2 (approx. 0.707).
SQRT2 – the JavaScript SQRT2 property returns the square root of 2 (approx. 1.414).
Math Object Methods:
abs(x) – the JavaScript abs() method returns the absolute value of a number.
acos(x) – the JavaScript Math.acos() returns the arccosine of a number as a value between 0 and PI radians.
acosh(x) – the JavaScript Math.acosh() returns the hyperbolic arccosine of a number.
asin(x) – the JavaScript Math.asin() returns the arcsine of a number as a value between -PI/2 and PI/2 radians.
asinh(x) – the JavaScript Math.asinh() returns the hyperbolic arcsine of a number.
atan(x) – the JavaScript Math.atan() returns the arctangent of a number as a value between -PI/2 and PI/2 radians.
atan2(y,x) – the JavaScript Math.atan2() returns the arctangent of the quotient of its arguments, as a numeric value between PI and -PI radians.
atanh(x) – the JavaScript Math.atanh() returns the hyperbolic arctangent of a number.
cbrt(x) – the JavaScript Math.cbrt() returns the cubic root of a number.
ceil(x) – the JavaScript Math.ceil() rounds a number upwards to the nearest integer, and returns the result.
clz32(x) – the JavaScript Math.clz32() returns the number of leading zeros in a 32-bit binary representation of a number.
cos(x) – the JavaScript Math.cos() returns the cosine of a number.
cosh(x) – the JavaScript Math.cosh() returns the hyperbolic cosine of a number.
exp(x) – the JavaScript Math.exp() returns the value of Ex, where E is Euler’s number (approx. 2.7183) and x is the number passed to it.
expm1(x) – The JavaScript Math.expm1() returns the value of Ex minus 1, where E is Euler’s number (approx. 2.7183) and x is the number passed to it.
floor(x) – the JavaScript Math.floor() method rounds a number (downwards) to the nearest integer and returns the result.
fround(x) – the JavaScript Math.fround() returns the nearest (32-bit single precision) float representation of a number.
log(x) – the JavaScript Math.log() returns the natural logarithm (base E) of a number.
log10(x) – the JavaScript Math.log10() returns the base-10 logarithm of a number.
log1p(x) – the JavaScript Math.log1p() returns the natural logarithm (base E) of 1 + a defined number.
log2(x) – the JavaScript Math.log2() returns the base-2 logarithm of a number.
max(x,y,z…) – the JavaScript Math.max() returns the number with the highest value.
min(x,y,z…) – the JavaScript Math.min() method returns the number with the lowest value.
pow(x,y) – the JavaScript Math.pow() returns the value of x to the power of y (xʸ).
random(x) – the JavaScript Math.random() returns a random number from 0 (included) up to but not including 1.
round(x) – the JavaScript Math.round() rounds a number to the nearest integer.
sign(x) – the JavaScript Math.sign() returns whether a number is negative, positive or zero.
sin(x) – the JavaScript Math.sin() returns the sine of a number.
sqrt(x) – the JavaScript Math.sqrt() returns the square root of a number.
tan(x) – the JavaScript Math.tan() returns the tangent of a number.
tanh(x) – the JavaScript Math.tanh() returns the hyperbolic tangent of a number.
trunc(x) – the JavaScript Math.trunc() returns the integer part of a number.
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