What is the difference between Map and WeakMap?

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: Senior Full-Stack

参考答案摘要

A map accepts any type of value like string, boolean, number, etc., whereas a WeakMap only accepts only objects as keys. Maps are iterable, but WeakMaps are not. A “Map” has a size property, but a “We...

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