能说明你的Javascript技术很烂的五个原因 | 程序姬



能说明你的Javascript技术很烂的五个原因 | 程序姬

Javascript在互联网上名声很臭,但你又很难再找到一个像它这样如此动态、如此被广泛使用、如此根植于我们的生活中的另外一种语言。它的低 学习门槛让很多人都称它为学前脚本语言,它另外一个让人嘲笑的东西是动态语言的概念是偏偏使用了高标准的静态数据类型。其实,你和Javascript都 站错了立场,而现在,你让Javascript很生气。这里有五个原因能说明你的Javascript技术很烂。

1. 你没有使用命名空间。

是否还记得在大学里老师告诉你不要在家庭作业里使用全局变量?Javascript里的全局变量的使用方法也不例外。Web网页稍不留神就会变的混 乱不堪、到处都是从互联网上各个角落里找来的乱糟糟的相互侵犯的脚本和脚本库。如果你把一个变量命名成loader(),那你是成心自找麻烦。如果你在无 意识的情况下重载了一个函数,Javascript根本不会提醒你。你还把它叫做一种学前教育编程语言,还记得吧?我要说的是,你需要知道在做了这些后发 生什么情况。

function derp() { alert("one"); }


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