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Wednesday, May 20, 2009

Het leed dat JavaScript heet

Wat een uitdaging JavaScript:
geen fatsoenlijke debugger en tijdens Runtime gekke fouten krijgen.
En stricte typechecking, mijn hoela!
Zie o.a.: http://mattsnider.com/javascript/type-detection/
"The short answer is that there is only one type in JavaScript: Object."

En met Java heeft JavaScript weinig te maken.

Zie deze waanzin:
http://www.devguru.com/Technologies/Ecmascript/Quickref/comparison_operators.html
"Assuming 'a' to be 2 and 'b' to be 4

=== This is the strict equal operator and only returns a Boolean true if both the operands are equal and of the same type.
These next examples return true:
a === 2
b === 4 "

Het moet niet veel gekker worden:
niet =, maar ==, dat kent Java ook.
Omdat = wordt gebruikt voor de assignment ontstond == als de test op gelijk.
In JavaScript is === een mix van instanceof en ==.

Rocket Science!

http://en.wikipedia.org/wiki/Rocket_science
"Often the term is used ironically to describe an endeavor that is simple and straightforward by stating "it's not rocket science" (one of the top ten irritating phrases, according to research at Oxford)[1] or "it doesn't take a rocket scientist". It is also used to describe a person who is simple-minded: "He/she's not a rocket scientist."

Volg de link niet naar Oxford want je browser (IE of FF) zal vastslaan!
Maar hier zijn ze dan:
The top ten most irritating phrases:
1 - At the end of the day
2 - Fairly unique
3 - I personally
4 - At this moment in time
5 - With all due respect
6 - Absolutely
7 - It's a nightmare
8 - Shouldn't of
9 - 24/7
10 - It's not rocket science

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