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"...
I try to make CasperJS achieve the following:    Go through a series of pages that are named sequentially by date. On each page, locate a PDF link. Download the PDF.   I got some working code, but I don't understand how CasperJS is going through...
I'm trying to send multiple post within a do while loop but the result is not added  <script type="text/javascript"> function action() {     var initval = 1;     var endval = 5;     do {     var action_string = 'txtuser=someone&...
Afternoon all. The code below works perfectly, however, I need to pull each row of the php sql array out and into the script var. Any ideas on how to write a while loop that could do this? Thanks for any help   var enableDays = ["<?php echo my...
var result = 1 var counter = 0 while (counter < 10) {      result = result * 2      counter += 1 };  console.log(result);   I am confused how does counter update result here? We are increasing counter by 1 but how does that affect the result?  Ca...
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...
For some reason this statement is skipping some data.Am I missing a continue statement somewhere or something ? Here is the code  for (var i = 0, len = data.ORDER_STATUS[0].ORDERS.length; i < len; i++) {   if (data.ORDER_STATUS[0].ORDERS[i].SEC_TY...
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...

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