foodoir

摘要： alert(a);alert(b);alert(c);alert(d);alert(e);var a = 1;var b;c = 3;function d(){console.log('hello');}var e = function(){ console.log('world');}如果你还不能一眼就看出这段代码的结果，你可以看看这篇文章…… 阅读全文