What is the difference between hoisting for var vs let vs const?

What is the difference between hoisting for var vs let vs 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: medium

标签: interviewbit, javascript, topic-specific, frontend

参考答案摘要

var is hoisted and initialized with undefined, so it can be accessed before declaration. let and const are hoisted but stay unavailable until declared. Accessing them early throws an error. This behav...

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