I am aware of how to create getters and setters for properties whose names one already knows, by doing something like this:  // A trivial example: function MyObject(val){     this.count = 0;     this.value = val; } MyObject.prototype = {     get va...
I am trying to solve a problem that came to my mind lately.  Let's say we would want and would know how to make a point in having dynamic getters and setters in javascript, more like those in php (__get, __set). But as javascript does not have a...
During my routine work, i happened to write the chained javascript function which is something like LINQ expression to query the JSON result.  var Result = from(obj1).as("x").where("x.id=5").groupby("x.status").having(count(&#...
I'm looking for a way to have to write and maintain a certain algorithm (a graphics rendering sub-module of my code, actually) only once. I need the algorithm in C++, PHP and Javascript. Theoretically I could write it in C++ and wrap it into a PH...
If I have a method name in a string, in Ruby I can use send to dynamically dispatch methods, e.g.  method_name = "delete" send method_name   I can take advantage of interpolation too:  method_name = "add" send "#{method_name}_task...
Is there a way to specify something similar to the following in javascript?  var c = {}; c.a = function() { }  c.__call__ = function (function_name, args) {     c[function_name] = function () { }; //it doesn't have to capture c... we can also hav...
When I was reading about ES6 Proxies, it seemed simple enough to understand until I had taken a look at this example.  I'm stumped. I don't understand the "wet/dry" terminology that they use, and I have no idea when I'd end up in...
I've been building a basic live-evaluation javascript development environment (I call it the WEPL.) over the past few days, and realized it'd be nice to be able to associate error messages to line numbers.  Unfortunately, eval() doesn't p...
I am rewriting one of javascript's core methods:  Element.prototype._removeChild = Element.prototype.removeChild; Element.prototype.removeChild = function(){     callback();     this._removeChild.apply(this,arguments); }   I want to dynamically g...
Assuming the presence of Harmony Proxies in the underlying Javascript engine, how could one construct a CoffeeScript superclass such that extending it would allow a class to define a noSuchMethod method (or methodMessing)?  That method would be calle...

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