What will this code print?

var v = 1;var f1 = function () {
  console.log(v);};var f2 = function () {
  var v = 2;  f1();};f2();

What will this code print?

var v = 1;var f1 = function () {
  console.log(v);};var f2 = function () {
  var v = 2;  f1();};f2();

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

[ ] 2 2 [x] 1 1 [ ] Nothing - this code will throw an error. Nothing - this code will throw an error. [ ] undefined [Reference closures in js / nested functions](https://javascript.info/closure) undef...

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