[4-1 开始](4-1%E5%BC%80%E5%A7%8B.md) [4-2 单线程 - 介绍-1](4-2%E5%8D%95%E7%BA%BF%E7%A8%8B-%E4%BB%8B%E7%BB%8D-1.md) [4-3 单线程 - 介绍-2](4-3%E5%8D%95%E7%BA%BF%E7%A8%8B-%E4%BB%8B%E7%BB%8D-2.md) [4-4 单线程 - 异步-1](4-4%E5%8D%95%E7%BA%BF%E7%A8%8B-%E5%BC%82%E6%AD%A5-1.md) [4-5 单线程 - 异步-2](4-5%E5%8D%95%E7%BA%BF%E7%A8%8B-%E5%BC%82%E6%AD%A5-2.md) [4-6 单线程 - 总结](4-6%E5%8D%95%E7%BA%BF%E7%A8%8B-%E6%80%BB%E7%BB%93.md) [4-7 event-loop - 演示](4-7event-loop-%E6%BC%94%E7%A4%BA.md) [4-8 event-loop - 代码演示](4-8event-loop-%E4%BB%A3%E7%A0%81%E6%BC%94%E7%A4%BA.md) [4-9 event-loop - 总结](4-9event-loop-%E6%80%BB%E7%BB%93.md) [4-10 jquery-deferred - 介绍](4-10jquery-deferred-%E4%BB%8B%E7%BB%8D.md) [4-11 jquery-deferred -](4-11jquery-deferred-.md) [4-12 jquery-deferred - 应用-1](4-12jquery-deferred-%E5%BA%94%E7%94%A8-1.md) [4-13 jquery-deferred - 应用-2](4-13jquery-deferred-%E5%BA%94%E7%94%A8-2.md) [4-14 jquery-deferred - 应用3](4-14jquery-deferred-%E5%BA%94%E7%94%A8.md) [4-15 jquery-deferred - 应用4](4-15jquery-deferred-%E5%BA%94%E7%94%A8.md) [4-16 jquery-deferred - 总结](4-16jquery-deferred-%E5%BA%94%E7%94%A8.md) [4-17 promise - 语法回顾](4-17promise-%E8%AF%AD%E6%B3%95%E5%9B%9E%E9%A1%BE.md) [4-18 promise - 捕获异常-1](4-18promise-%E6%8D%95%E8%8E%B7%E5%BC%82%E5%B8%B8-1.md) [4-19 promise - 捕获异常-2](4-19promise-%E6%8D%95%E8%8E%B7%E5%BC%82%E5%B8%B8-2.md) [4-20 promise - 串联](4-20promise-%E4%B8%B2%E8%81%94.md) [4-21 promise-all-race](4-21promise-all-race.md) [4-22 promise - 标准总结](4-22promise-%E6%A0%87%E5%87%86%E6%80%BB%E7%BB%93.md) [4-23 promise - 总结](4-23promise-%E6%80%BB%E7%BB%93.md) [4-24 async-await-1](4-24async-await-1.md) [4-25 async-await-2](4-25async-await-2.md) [4-26 async-await - 总结](4-26async-await-%E6%80%BB%E7%BB%93.md) [4-27 总结](4-27%E6%80%BB%E7%BB%93.md)