this post was submitted on 17 May 2025
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Why would they even define this value?
Note: I’m not a js dev, do most functions have length?
I am also not a JS dev, we possibly aren't brain damaged enough to understand the perfection.
Most people don't use JS because they think it's perfect... they use it because it's the language that works on web browsers... or because thier coworkers made something in it... or because the library that does what they want uses it...
For such a terrible language, it really has staying power...
JS is the machine code of the web. Fewer and fewer people might write it directly, but it will live as long as the web platform does.
Until some browser can make pages with Python, maybe.
Only if that browser somehow becomes overwhelmingly popular in a market segment BEFORE it gets JS support.
Could make a transpiler for python -> js, and serve python to the browser with a fallback to js if the python isn't supported by the browser
I develop with JS? All I can say is I need more brain damage to understand where is out
Just keep developing with it, you'll get CTE soon.
All functions built with
function name(args) { body }syntax have a length based on the form ofargs. Other ways to create functions might set length (I'm not sure). Most of the functions provided by the runtime environment do have a length, usually based on the number of "required" arguments.