Is there a way to get the function parameter names of a function dynamically?  Let’s say my function looks like this:  function doSomething(param1, param2, .... paramN){    // fill an array with the parameter name and value    // some other code...
I have an EventListener that listens to the entire document and records keystrokes, but I want to remove this Listener when certain conditions are met.   The following is a snippet of my code:  document.addEventListener('keyup', function(e) {...
I want to be able to check whether a given function is empty or not. That is, there is nothing in its body, eg:  function foo() {} function iAmEmpty(a) {     // yep, empty }   With some initial playing around, I've got something which I think mig...
i'm trying to figure out how much i can use of the javascript language itself and how much i would have to implement myself when it comes to object reflection. here's the intended result  // property inheritance schema (defining default props...
I have a html component that includes some javascript.   The component is a file in a template engine, so it can be used   in the initial rendering of the whole html page as stand-alone html rendered through an ajax request   The javascript should be...
Is there a way in js to list all the builtin functions and some info on their parameterlists? I couldn't really find anything about reflection to do this sort of thing  edit: The functions such as Math.sin are actually the ones I want to list, ac...
I've tried looking at global, but it only contains variables, not functions. How can I list all the functions created in my script?...
I have properties called reel1, reel2, reel3, and reel4.  How can I dynamically reference these properties by just passing an integer (1-4) to my method?  Specifically, I am looking for how to get an object reference without knowing the name of the o...
I have a string like a=6&id=99 (i might store it in html as 'a=6&id=99' however thats not what js will see). I would like to convert that string into an object so i can do func(o.a); or o.id=44; How do i do that?  Part 2: How do i con...

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