This article describes how to generate a random number in the javascript random number mathrandom to generate a random number in the specified range. Since math. random generates a pseudo random number, it will be processed later. If you are interested in the random number mathrandom, learn about it. Today, a friend asks me how JavaScript generates a random number in a specified range. Math. random () is used to generate random numbers. However, the general reference manual does not explain how to use this method to generate random numbers within a specified range. This time I will introduce Math. random () in detail and how to use it to generate random numbers within the specified range.
W3school's random () tutorial
Definition and usage
The random () method returns a value ranging from 0 ~ A random number between 1.
Syntax
Math. random ()
Return value
0.0 ~ A pseudo-random number between 1.0.
Instance
In this example, we will obtain a random number between 0 and 1: