What is the difference between var, let, and const?

What is the difference between 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

var is function-scoped and can be redeclared and reassigned. let is block-scoped and can be reassigned but not redeclared in the same scope. const is also block-scoped but cannot be reassigned. var is...

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