I have a web server written in Node.js and I would like to launch with a specific folder. I'm not sure how to access arguments in JavaScript. I'm running node like this:  $ node server.js folder   here server.js is my server code. Node.js h...

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Is there a way to retain the name of a destructured function argument? I.e., the name of the root object?  In ES5, I might do this (using inheritance as a metaphor to make the point):  // ES5: var setupParentClass5 = function(options) {     textEdi...

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I have now seen 2 methods for determining if an argument has been passed to a JavaScript function. I'm wondering if one method is better than the other or if one is just bad to use?   function Test(argument1, argument2) {       if (Test.argumen...

Can I call a function with array of arguments in a convenient way in JavaScript?  Example:  var fn = function() {     console.log(arguments); }  var args = [1,2,3];  fn(args);   I need arguments to be [1,2,3], just like my array....

I'm browsing the discussion for a similar topic, but can't find my situation...  Am trying call parent constructors with parameters... can't seem to get it right.  I have a PhysicsBody superclass that takes aNode as its only constructor a...

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) {...