选择题【1417/1530】输出什么？
1const groceries = ["banana", "apple", "peanuts"]; 2 3if (groceries.indexOf("banana")) { 4 console.log("We have to buy bananas!"); 5} else { 6 console.log(`We don't have to buy bananas!`); 7}
难度：
2021-07-02 创建本题为“单选题”
1const groceries = ["banana", "apple", "peanuts"]; 2 3if (groceries.indexOf("banana")) { 4 console.log("We have to buy bananas!"); 5} else { 6 console.log(`We don't have to buy bananas!`); 7}
本题为“单选题”
