老师，随机问题用floor方法，永远取不要最大值，为什么不用round？

Question

Math.floor(Math.random()*(max-min)+min);//取不到max

Math.round(Math.random()*(max-min)+min);//可以取到min，也可以取到max，更合理一点

Answer 1

Teacher, use the floor method for random questions and never take the maximum value. Why not use round? -PHP Chinese website Q&A-Teacher, use the floor method for random questions and never take the maximum value. Why not use round? -PHP Chinese website Q&A

Let’s take a look and learn.

Answer 2

嗯，是的，确实更合理点，你思考的很仔细