JavaScript 編譯器、引擎、做用域

分享一篇文章javascript https://www.jianshu.com/p/36f5bfc6b7e6java let c; (function(a, b) { console.log(a); console.log(b); console.log((c = 33)); function a() {} var b = () => {}; // const b = ()

>>阅读原文<<