Shulou(Shulou.com)06/01 Report--

This article mainly introduces JavaScript how to randomly select a value from integers, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand.

Randomly select a numerical value from an integer

There is the following formula, which is very useful to let us randomly display some famous quotes or news events!

Value = Math.floor (Math.random () * Total number of possible values + first possible value)

For example, to select a value between 2 and 10, we can write

Var num=Math.floor (Math.random () * 9x2)

Please remember the above formula! ~

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