JavaScript Class
The Math object
The Math object includes mathematical constants and functions. You do not need to create the Math object before using it.
To store a random number between 0 and 1 in a variable called "r_number":
r_number=Math.random() |
To store the rounded number of 8.6 in a variable called "r_number":
r_number=Math.round(8.6) |
The Math object's properties and methods are described below:
NN: Netscape, IE: Internet Explorer, ECMA: Web Standard
| Methods | Explanation | NN | IE | ECMA |
|---|---|---|---|---|
| abs(x) | Returns the absolute value of x | 2.0 | 3.0 | 1.0 |
| floor(x) | Returns the nearest integer less than or equal to x | 2.0 | 3.0 | 1.0 |
| max(x,y) | Returns the number with the highest value of x and y | 2.0 | 3.0 | 1.0 |
| min(x,y) | Returns the number with the lowest value of x and y | 2.0 | 3.0 | 1.0 |
| pow(x,y) | Returns the value of the number x raised to the power of y | 2.0 | 3.0 | 1.0 |
| random() | Returns a random number between 0 and 1 | 2.0 | 3.0 | 1.0 |
| round(x) | Rounds x to the nearest integer | 2.0 | 3.0 | 1.0 |
| sqrt(x) | Returns the square root of x | 2.0 | 3.0 | 1.0 |