Notices by ∑ XahLee (xahlee@noagendasocial.com), page 48

@jeremiah you are right that readability of code largely depends on the code.

but lets ask a diff question. Pick a coder you consider above average, then, he certainly have diff opinion of diff lang's readability.

now, suppose we can invent arbitrary lang. Say, by swap function/syntax semantics of any subroutine in java, perl, ruby, js. That can create a lang any coder will have hard time to maintain readable.

so now, we venture forth on what aspects makes a lang more/less readable.

@jeremiah the the post i just pushed out at the same time you send this. It address what you are saying.

@jeremiah what you said, is just what i have repeated in last reply, that one can stick to principled programing in any lang.

but, purely technically, it's trivial to have a lang that's unreadable however one sticks to principled programing. brainfuck is a artificial example, or assembly.

so further, of practical high level lang in use, can we grade their readability, and to what degree we score each. What am saying is, js has very low score by large gab, in comparison.

@jeremiah well, no. I gave specific reasons and can elaborate why js is unreadable in general. Have written some about it with code example. Shall i elaborate?

you have to code js and es2015 and all other lang mention in significant way to say for sure. i have, of langs i mentioned. lisp, perl, python, js.

@jeremiah it's true one can stick to principled programing in any lang.

but there's something about js that thwarts that. I think the reason is, it support functional programing, but the syntax doesn't. So one has mix of C, java, OOP syntax going around, with mix of {} being both a block and object. Sometimes as expression (nested), sometimes as block.

I think lifespan of code is interesting point.

Learn #Perl in 1 Hour
http://xahlee.info/perl/perl_basics_1.html

@Atom_Rocket i coded perl from 1998 to 2003 at work. In perl, if one sticks to a style, it is very readable, no worse than say ruby python.

intel chip bug #meltdown and #spectre. These existed for 10+ yrs. There's theory of intentional NSA backdoor. Not sure i wanna think bout that. But, the question is, how likely is this oversight? i thought intel chip design goes thru proof systems.

how soon would you have difficulty reading your own code?

lisp → 5 years
python → 5 years
java → 5 years
JavaScript → 1 month

#javascript learn these DOM Methods and you'll know 95% of dom scripting. No framework needed.
http://xahlee.info/js/dom_common_dom_methods.html

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#javascript this is new in 2017
DOM: .insertAdjacentElement
http://xahlee.info/js/dom_insertAdjacentElement.html

@irritable no, but i felt tremor, and it's good.

in Germany pre WW2, any professor who has opinion that's not mainstream, is banished. Same for media. Academic papers, are of all the same color. And, most people, agree, it is good. This is happening in USA.

at 2:40 AM local time, earthquake in SF to San Jose, and Oakland area too. hundreds of tweets.

biggish to be alarmed. haven't felt one in SF Bay Area for almost 20 years.

@tek in SF?
i felt it in mountain view.

fucking earthquake right now! in Mountain View, CA, USA.

@se7en i no like it. but it's what u have to know for web dev.

#JavaScript update today.
DOM: Insert After a Element
http://xahlee.info/js/js_insert_after.html

@Arwalk ah this covers spectre in tech detail
https://spectreattack.com/spectre.pdf