Math Object Properties
Property |
Description |
E |
Returns Euler's number (approx. 2.718) |
LN2 |
Returns the natural logarithm of 2 (approx. 0.693) |
LN10 |
Returns the natural logarithm of 10 (approx. 2.302) |
LOG2E |
Returns the base-2 logarithm of E (approx. 1.442) |
LOG10E |
Returns the base-10 logarithm of E (approx. 0.434) |
PI |
Returns PI (approx. 3.14159) |
SQRT1_2 |
Returns the square root of 1/2 (approx. 0.707) |
SQRT2 |
Returns the square root of 2 (approx. 1.414) |
Math Object Methods
Method |
Description |
abs(x) |
Returns the absolute value of x |
acos(x) |
Returns the arccosine of x, in radians |
asin(x) |
Returns the arcsine of x, in radians |
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 |
ceil(x) |
Returns x, rounded upwards to the
nearest integer |
cos(x) |
Returns the cosine of x (x is in radians) |
exp(x) |
Returns the value of Ex |
floor(x) |
Returns x, rounded downwards to the
nearest integer |
log(x) |
Returns the natural logarithm (base E) of x |
max(x,y,z,...,n) |
Returns the number with the highest value |
min(x,y,z,...,n) |
Returns the number with the lowest value |
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 |
sin(x) |
Returns the sine of x (x is in radians) |
sqrt(x) |
Returns the square root of x |
tan(x) |
Returns the tangent of an angle |
Examplevar x=Math.PI;
var y=Math.sqrt(16); Create Random Numbers: document.write(Math.random());
document.write(Math.floor(Math.random()*11));
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