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GitHub
2 年
JavaScript 异步解决方案的发展历程主要有哪些阶段? #194
最初,JavaScript采用回调函数的方式来解决异步编程问题。回调函数即在异步任务完成后调用的回调函数。例如,setTimeout函数就是一个使用回调函数的例子。 回调函数的优点是简单易懂,缺点是嵌套层次多、代码难以维护。 jQuery.Deferred()是jQuery提供的一种异步 ...
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