js判断1到100的整数

function isBetweenOneAndHundred(num) {
    if (num >= 1 && num <= 100) {
        return true;
    } else {
        return false;
    }
}

// 示例
console.log(isBetweenOneAndHundred(50)); // 输出: true
console.log(isBetweenOneAndHundred(101)); // 输出: false

function isBetweenOneAndHundred(num) {
    return num >= 1 && num <= 100;
}

// 示例
console.log(isBetweenOneAndHundred(50)); // 输出: true
console.log(isBetweenOneAndHundred(101)); // 输出: false

const range = Array.from({length: 100}, (_, i) => i + 1);

function isInRange(num) {
    return range.includes(num);
}

// 示例
console.log(isInRange(50)); // 输出: true
console.log(isInRange(101)); // 输出: false

const rangeSet = new Set(Array.from({length: 100}, (_, i) => i + 1));

function isInRange(num) {
    return rangeSet.has(num);
}

// 示例
console.log(isInRange(50)); // 输出: true
console.log(isInRange(101)); // 输出: false