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如何生成某个范围内的随机整数,但排除整数子集?
function randomInt(min, max, exclude) {
const nums = [];
const excludeLookup = new Set(exclude);
for (let i = min; i <= max; i++) {
if (!excludeLookup.has(i)) nums.push(i);
}
if (nums.length === 0) return false;
const randomIndex = Math.floor(Math.random() * nums.length);
return nums[randomIndex];
}
console.log(randomInt(1, 5, [2, 3]))