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[JS foundation] use of random, floor and ceil methods in math

2022-07-22 05:36:00 【Want to be a happy repair dog】

1. random、floor、ceil The grammar of the method

  1. Math.random()
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  2. Math.floor()
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  3. Math.ceil()
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2. subject

  • Using the above three functions , Produce a 0~7 Between （ contain 0,7） Random integer of .

2.1 Method 1 

Math.floor(Math.random()*8)

2.2 Method 2 

Math.ceil(Math.random()*7)
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