What is the use of promises in javascript?

What is the use of promises 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: hard

标签: interviewbit, javascript, topic-specific, frontend

参考答案摘要

Promises are used to handle asynchronous operations in javascript. Before promises, callbacks were used to handle asynchronous operations. But due to the limited functionality of callbacks, using mult...

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