I am experimenting with a more functional style in my JavaScript; therefore, I have replaced for loops with utility functions such as map and reduce.  However, I have not found a functional replacement for while loops since tail call optimization i...
I've heard this quite a few times. Are JavaScript loops really faster when counting backward? If so, why? I've seen a few test suite examples showing that reversed loops are quicker, but I can't find any explanation as to why!  I'm...
var mdflag; var count = 0;  document.addEventListener("mousedown",mdown,false);     document.addEventListener("mouseup",mup,false); }   function mdown() {     mdflag=true;     while(mdflag)     document.getElementById("testdiv"...
What are the benefits of using a while loop over a for loop?  When I'm iterating through arrays, I always use a for loop so I wondered if I'm missing something here.  I've never had a situation where a for loop doesn't do the job, bu...
I am trying to get into JQuery but am struggling a bit around.   What I'm trying to do is go through an array one click at a time so that each time I click on the "next" button a new item is presented.  Let's take a look at the follow...
I am 11 and just started programming. I was trying to use a while loop and I want it to display the answers in blocks instead of one huge chunk. So i tried to use a setTimeout but it would just display the first line after a second then instantly dis...
I'm writing a condition check for a simple input via prompt() in JavaScript.  The idea is to repeat a prompt until the user supplies a positive integer.   In particular, if I submit a negative integer, it correctly prompts me again via case 3.  H...
I like to execute the following code...but as you can see - it will require 10 billion loops! So i was wondering - what you guys would suggest to make it spin faster?  The reason why - i need to like "brute force" to the best result - is beca...
I want to make a programm which counts how many computational steps the pc can make in 3 seconds it should work basicly like this:  var i = 0; function count(){   while(the3seconds are not over)   {     i++;     div.innerHTML = i;   } }   Problem is...
My brain its going to explode.. why this dont work? im trying to animate a few divs with time interval and trying to write less code but this dont work      var cargaCont = function(){         o = 1;         var animacion = function(i){             $...

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