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...
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...
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 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...
So basically I have four functions: moveUp(), moveDown(), moveRight(), and moveLeft() that move the user's position in a 4x4 2d array. To check if the user has reached the goal position, I use this statement  if (agentPos[0] == goalPos[0] &&a...
I often find myself needing a a particular control-flow abstraction in JavaScript, and I'm wondering if it may already have a name and implementation. It's much like a promise, but also much like observing a value.  Basically, it would allow...
The Pen is here  I've got two elements set to change width, increase or decrease, when a link/button is clicked based on the presence of a class for the two elements. Only the if section of the if...else in the .toggle function seems to be workin...
Noob Question  I was going through the ES6 features website and I found this piece of code    function f (x, y, z) {     if (y === undefined)         y = 7;     if (z === undefined)         z = 42;     return x + y + z; }; alert(f(1))     When I don&...
Below is my truth table ( OP is desired OUTPUT )  X   |   Y   |   Z   | OP -------------------------- F   |   F   |   F   | F  F   |   F   |   T   | F F   |   T   |   F   | T F   |   T   |   T   | T T   |   F   |   F   | T T   |   F   |   T   | F * T...

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