对大部分程序员来说，最重要的改变是新的函数声明和定义的语法。

For most programmers, the most important change is the new syntax for declaring and defining functions.

youdao

对新程序员来说，命令式程序设计通常是一个更为自然和直观的起点，这就是为什么大部分程序设计说明都集中关注命令式语言和方法的原因。

Imperative programming is often a more natural and intuitive starting place for new programmers which is why most programming introductions focus on imperative languages and methods.

youdao