Take this piece of Javascript in a browser:  <script>  console.log(window.someThing); var x = 12;  function foo() {    window.otherThing = x; }  </script>   Inside foo we can access window, we all know that, but why exactly?   Is it som...
When an object value is provided to the Object constructor, that value will be returned unchanged. So, given an object obj:  obj === new Object( obj )   and   obj === Object( obj )   Then, what's the point of doing Object( obj ) in the first plac...
I have a question about how to perform an asynchronous task in a while-loop until some condition is met. This is more of a theoretical question but I can see how this could be an issue in some scenarios.  I'll try demonstrate the problem at an ex...
So, as you may know, the strict mode of JavaScript adds restrictions on the identifiers eval, and arguments, effectively making them reserved words, with two exceptions:   they can still be uses as expressions, i.e. in places where an expression is e...
I've been working with the prototype library for some time now and occasionally find myself wishing I had multiple access levels (public, private, and protected).  The closest I've come so far is the following:  SampleBase = Class.create({...
The alltones array contains all the possible notes in music scale.  var alltones = ["C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B" ];   I...
I am developing a web application which will have images displayed in a slider. It is important that I am able to modify the order that they are displayed in.  Currently, I have a column in the table of images called 'order', which must be se...
preface  This probably has no real implementation but after reading another post on coffeescript's 2 switch usages, I decided to play around with it and found this rather odd issue.    coffeescript  type = 'guidance'  s = switch   when ty...

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