// 返回一个 m - n 之间的随机整数 (包含 m,n)
function rand(m, n) {
return m + Math.floor((n - m + 1) * Math.random())
}
console.log(rand(1, 5))
// 1 2 3 4 5
JavaScript Random Number Web
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Origin blog.csdn.net/qq_44977477/article/details/108599226
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