Differences between declaring variables using var, let and const.

Differences between declaring variables using var, let and const.

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: hard

标签: interviewbit, javascript, topic-specific, frontend

参考答案摘要

Before the ES6 version of javascript, only the keyword var was used to declare variables. With the ES6 Version, keywords let and const were introduced to declare variables. | keyword | const | let | v...

本题提供 STAR 原则详细解答和技术解析，登录匠人学院学习中心即可查看完整答案。