JavaScript 函数实现连续整数求和 (m 到 n)

function sum(m, n) { let result = 0; for (let i = m; i <= n; i++) { result += i; } return result; }

// 示例 console.log(sum(1, 5)); // 15 console.log(sum(3, 8)); // 33 console.log(sum(0, 10)); // 55