Javascript Math Floor Random

Math random used with math floor can be used to return random integers.

Javascript math floor random.

Example math floor math random 10. The math floor method is used to round off the number passed as a parameter to its nearest integer in downward direction of rounding i e. It is the value which is to be tested for math floor. The max min 1 is the logic that creates the range.

The javascript math object allows you to perform mathematical tasks on numbers. Math random math random returns a random number between 0 inclusive and 1 exclusive. A number representing the largest integer less than or equal to the specified number. Well organized and easy to understand web building tutorials with lots of examples of how to use html css javascript sql php python bootstrap java and xml.

The floor method rounds a number downwards to the nearest integer and returns the result. Towards the lesser value. This method accepts single parameter asmentioned above and described below. If the passed argument is an integer the value will not be rounded.

Math floor x parameters x a number. Math floor math random max min 1 is generating a whole number between the range of 0 to 8. It cannot be chosen or reset by the user. Because floor is a static method of math you always use it as math floor rather than as a method of a math object you created math is not a constructor.

When you add the min at the end you are adding the 2 to your range and end up with a random number from 2 to 10. The math random function returns a floating point pseudo random number in the range 0 to less than 1 inclusive of 0 but not 1 with approximately uniform distribution over that range which you can then scale to your desired range.