If I have an array = [8,7,6,5,4] that I want to loop through, why does the following for loop still work yet the length of the array is 5 and there is no element at index 5 of the array?  for(let i=array.length;i>=0;i++){   //do something  }   I k...

I need a bit of help understanding and learning how to control these functions to do what I intend for them to do  So basically I'm coming from a Java background and diving into JavaScript with a "Pong game" project. I have managed to get...

How can I use RxJS to buffer function calls until another async function has resolved?  Here is a simple example of what I'd like to accomplish    function asyncFunc(time) {   setTimeout(() => {       console.log('asyncFunc has resolved...

Are there any Call-Graph and/or Control-Flow-Graph generators for JavaScript?  Call Graph - http://en.wikipedia.org/wiki/Call_graph  Control Flow Graph - http://en.wikipedia.org/wiki/Control_flow_graph  EDIT: I am looking specifically for a static t...

One of my friends is teaching a programming class with Javascript and one of his assignments was to create a number guessing game. This was his example implementation:  funProgram: for(;;) {   numberGuesser: {     var num = (Math.random() * 100) | 0;...

I have written a test using selenium IDE (with flow control extensions) that iterates through elements within 2 drop-down lists (using 2 loops) and populates a data entry form according to the elements selected in the drop-down lists.  Esstially the...

I have a somewhat bigger computation (~0.5sec) in my node app, and I want to make it non-blocking without using a webworker. (I think a webworker would be a little overkill in this situation) Is there a way to force a return to the main loop, in orde...

I'm trying to get the example code below to work. Edit (Trying to be more clear what the aim is):  I wan't to make all the functions and variables of the obj available in the functions setup and draw as they where globals. This is not for the...

I am a novice developer trying to build an image carousel with html, css and javascript.  I have an array of images called 'slides' and variables called currentSlide, prevSlide, nextSlide that I want to use to keep track of the relevant slide...

Angular's Service worker uses yield for asynchronous control flow. Every generator function is then passed to this function:  var __awaiter = (undefined && undefined.__awaiter) || function (thisArg, _arguments, P, generator) {     return...