```javascript function findMax(arr) { let max = arr[0]; for (let i = 1; i < arr.length; i++) { if (arr[i] > max) { max = arr[i]; } } return max; } const arr = [10, 9, 15, 12, 7]; const maxNumber = findMax(arr); console.log(maxNumber); // Output: 15 ``` [2024-09-29 09:43:33 | AI写代码神器 | 190点数解答]