defer async 动态脚本 总结 现代的网站中，脚本往往比 HTML 更“重”：它们的大小通常更大，处理时间也更长。 当浏览器加载 HTML 时遇到 <script>...</script> 标签，浏览器就不能继续构建 DOM。它必须立刻执行此脚本。对于外部脚本 <script src="..."></script> 也是一样的：浏览器...

8. Async 1. 代码更加简洁 2. 错误处理 3. "async 地狱" 8. Async 1. 代码更加简洁 // 例子 8-1   // good function fetch () { return ( fetchData () . then (() => { ...

Async IO: The future Async IO: The future WARNING Experimental code ahead! So far, all the high level APIs we have been using have been of the blockingvariety. For example...

Async Nature Of setState() Gist: Main Idea Possible solution? An example might be: A note on the async nature of setstate Related links: Async Nature Of setState() On the...

Create Async Functions Create Async Functions Before you creating any functions, make sure you’ve installed all the prerequisites Async functions are event-driven and their...

Create Async Functions Create Async Functions Before you creating any functions, make sure you’ve installed all the prerequisites Async functions are event-driven and their...

Create Async Functions Create Async Functions Before you creating any functions, make sure you’ve installed all the prerequisites Async functions are event-driven and their...

Asynchronous I/O for External Data Access The need for Asynchronous I/O Operations Prerequisites Async I/O API Timeout Handling Order of Results Event Time Fault Tolerance Gua...

Create async functions Create async functions Before you creating any functions, make sure you’ve installed all the prerequisites Async functions are event-driven and their...

Concurrency and async / await In a hurry? Technical Details Asynchronous Code Concurrency and Burgers Concurrent Burgers Parallel Burgers Burger Conclusion Is concurrency bet...