选择题【1392/1530】输出什么？
1let count = 0; 2const nums = [0, 1, 2, 3]; 3 4nums.forEach(num => { 5 if (num) count += 1 6}) 7 8console.log(count)
难度：
2021-07-02 创建本题为“单选题”
1let count = 0; 2const nums = [0, 1, 2, 3]; 3 4nums.forEach(num => { 5 if (num) count += 1 6}) 7 8console.log(count)
本题为“单选题”
