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生成随机数字

发布于 2024-06-02 22:07:04 字数 925 浏览 0 评论 0 收藏 0

Math.random, returns a floating-point, pseudo-random number in the range [0, 1)

[0,1)

// Returns a random number between 0 (inclusive) and 1 (exclusive)
function getRandom() {
  return Math.random();
}

[min, max)

// Returns a random number between min (inclusive) and max (exclusive)
function getRandomArbitrary(min, max) {
  return Math.random() * (max - min) + min;
}

[min, max)整数

// Returns a random integer between min (included) and max (excluded)
// Using Math.round() will give you a non-uniform distribution!
function getRandomInt(min, max) {
  return Math.floor(Math.random() * (max - min)) + min;
}