选择题【1503/1530】下面会输出什么？
1const person = { name: 'Lydia' } 2 3function sayHi(age) { 4 console.log(`${this.name} is ${age}`) 5} 6 7sayHi.call(person, 21) 8sayHi.bind(person, 21)
难度：
2021-07-02 创建本题为“单选题”
1const person = { name: 'Lydia' } 2 3function sayHi(age) { 4 console.log(`${this.name} is ${age}`) 5} 6 7sayHi.call(person, 21) 8sayHi.bind(person, 21)
本题为“单选题”
