How do you create a callback in JavaScript?

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

JavaScript callback functions can be used synchronously and asynchronously. Callback functions are required because many actions are asynchronous, so they don't block a program or function from r...

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