How are observables different from promises?

How are observables different from promises?

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, angular, topic-specific, typescript, frontend

参考答案摘要

The first difference is that an Observable is lazy whereas a Promise is eager . | Promise | Observable | | --- | --- | | Emits a single value | Emits multiple values over a period of time | | Not Lazy...

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