What is the difference between Promises and Observables?

后端 未结 30 2655
小鲜肉
小鲜肉 2020-11-21 23:48

What is the difference between Promise and Observable in Angular?

An example on each would be helpful in understanding both the cases. In w

30条回答
  •  悲&欢浪女
    2020-11-22 00:39

    Promise - Provide a single future value. Not lazy . Not cancel-able. It will either reject or resolve.

    Observable - Provide multiple future value. Lazy . Cancel-able . It provide other methods live map,filter,reduce.

提交回复
热议问题