js generates random numbers within a certain range

You can use the random() method, which returns a random number between 0 ~ 1.

The specific code is as follows:

//生成最小min到最大max的随机数 function random(min,max){ if(min > max){ var ls = min; min = max; max = ls; } return Math.floor(Math.random() * (max-min+1) ) + min; }

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