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synchronous and async in js

Is it possible to have a program that is only asynchronous? What problems will occur with such a program?

过去多啦不再A梦过去多啦不再A梦2788 days ago450

reply all(1)I'll reply

  • 伊谢尔伦

    伊谢尔伦2017-05-19 10:28:25

    Only async? No way
    Synchronization and asynchronous itself are used to distinguish the execution dependencies of the program. They are executed after the previous execution is completed or do not pay attention to the execution results of the previous program. But in the final analysis, sequence or synchronization must exist

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