Is there a way to modify JavaScript code while debugging? Visual Studio has "Edit and Continue", and similar hot swapping of code can be done in Java and other languages. Can this be done with JavaScript, and if so, how?...
With objects especially, I don't understand what parts of the object run before initialization, what runs at initialization and what runs sometime after.  EDIT: It seems that parsetime is the wrong word. I guess I should have formulated the quest...
I have the memoization fibonacci code and I am having trouble figuring out what the time complexity is of it:  function fibMemo(index, cache) {   cache = cache || [];   if (cache[index]) return cache[index];   else {     if (index < 3) return 1;...
As I interact with my AJAX based application at RUNTIME I'd like the console to spit out all the functions it's calling. (so no stack trace, or breakpoints, or profiling or anything)  So for example, let's say I pressed a button on the pa...
First of all - yes, I know there are plenty of posts regarding this, or at least very similar ones. Having looked through those I still haven't found the answer to what I'm looking for:   I've learned that there are two main ways to creat...
I recently learned about the rolling hash data structure, and basically one of its prime uses to searching for a substring within a string. Here are some advantages that I noticed:   Comparing two strings can be expensive so this should be avoided if...
I'm trying to understand the internal structure of Node.js. To my understanding V8 runs the JavaScript(EcmaScript) which makes sense. Since all the Node.js Api is not JavaScript but looks like JavaScript, My question is, what runs the Node.js Api...
Thanks to Mr. Aleph and their wonderful blog, we know that JS runtimes can generate memory-efficient structs for common, consistent classes. For example, with the class:  class Foo {   constructor(bar: number) {     this.bar = bar;   } }   My underst...
I'm learning about the event loop from this blog but seems like the author goes into general computer program concepts I'm not too familiar with -     This includes HTTP requests, database operations and disk reads and   writes; the single th...
Ok .. this is a strange one as I have NOT seen this before. I have an application that is strictly a Service ... no browser involved ... and all I want to do is use alert(); for debugging. The only problem is that it causes an Object Expected error e...

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