>>
>> On Sun, Jan 6, 2013 at 5:06 AM, Axel Rauschmayer <[email protected]> wrote:
>>>> <snip>
>>>
>>> This is not about pointing out how bad JavaScript is, it is about
>>> collecting things that confuse people who are new to the language. They
>>> help those people to learn what you already know. Many people really hate
>>> JavaScript. Some of those, we’ll never convert, they’d rather program Java
>>> than JavaScript (as you point out above). But some do cite valid WTFs. Some
>>> of those WTFs even get you if you know the language well (e.g. `this` in
>>> non-method functions). Thankfully, ES6 will fix many of those. It’ll prove
>>> the haters wrong who say that JavaScript is beyond fixing.
>>>
Well, with this explanation, I understand better the sense of your three first
"biggest pitfalls": They are just things that confuse people coming from some
other definite programming language and accustomed to different semantics.
You probably won't say that the OO model of Java (for example) is a pitfall
(even less a "biggest" one), even if it may confuse people new to
OO-programming; rather it is a handful feature that works well. In the same
vein, the notion of truthy/falsy, the sloppy == operator, and the distinction
between null and undefined, do not deserve to be called "pitfalls" or "warts",
for they are indeed positively useful features (and much easier ones than
classes and objects) that work without problem once you have correctly learned
them.
(BTW, "Some of those, we’ll never convert, they’d rather program Java than
JavaScript." I bet that those people don't know how much they lose by not
having proper first-class functions ;-)
—Claude
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