函数+模板字符串

输出是什么？

function getPersonInfo(one, two, three) {
  console.log(one)
  console.log(two)
  console.log(three)
}

const person = 'Lydia'
const age = 21

getPersonInfo`${person} is ${age} years old`

选项

• A: "Lydia" 21 ["", " is ", " years old"]

• B: ["", " is ", " years old"] "Lydia" 21

• C: "Lydia" ["", " is ", " years old"] 21

答案

答案: B

如果使用标记模板字面量，第一个参数的值总是包含字符串的数组。其余的参数获取的是传递的表达式的值！