JavaScript生成随机整数的相关内容

文章 2022-05-10 来自：开发者社区

javascript生成n至m的随机整数

生成n-m，包含n但不包含m的整数：第一步算出 m-n的值，假设等于w第二步Math.random()*w第三步Math.random()*w+n第四步parseInt(Math.random()*w+n, 10)生成n-m，不包含n但包含m的整数：第一步算出 m-n的值，假设等于w第二步Math.random()*w第三步Math.random()*w+n第四步Math.floor(Math.....

文章 2014-10-08 来自：开发者社区

javascript生成n至m的随机整数

摘要：　　本文讲解如何使用js生成n到m间的随机数字，主要目的是为后期的js生成验证码做准备。　　Math.random()函数返回0和1之间的伪随机数，可能为0，但总是小于1，[0,1) 生成n-m，包含n但不包含m的整数：第一步算出 m-n的值，假设等于w 第二步Math.random()*w 第三步Math.random()*w+n 第四步parseInt(Math.random()....

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更新时间 2022-07-27 12:10:40

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