What two values will this code print?

function printA() {
  console.log(answer);  var answer = 1;}
printA();printA();

What two values will this code print?

function printA() {
  console.log(answer);  var answer = 1;}
printA();printA();

题目类型: 技术面试题

这是一道技术面试题，常见于澳洲IT公司面试中。

难度: medium

分类: JavaScript

标签: JavaScript

参考答案摘要

[ ] 1 then 1 1 then 1 [ ] 1 then undefined 1 then undefined [x] undefined then undefined undefined then undefined [ ] undefined then 1 [Reference](https://developer.mozilla.org/en-US/docs/Web/JavaScri...

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