Category : promise

Promise is a high-frequency question in front-end interviews. When I was an interviewer, the probability of asking Promise exceeded 90%. As far as I know, most companies would ask some questions about Promise. If you can write standard source code according to the standard of PromiseA+, then I think you can give perfect answers to ..

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Synchronous and Asynchronous Students who know javascript must be familiar with the concepts of synchronization and asynchrony. If there are any unfamiliar students, let me give you an image example. For example, when we get up in the morning, we have to do three things: boil water, wash face and eat breakfast. Synchronization is equivalent ..

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