Given  let doAsynchronousStuff = () => {   return new Promise(resolve => {     setTimeout(() => {       resolve("abcdefg"[Math.floor(Math.random() * 7)])     }, Math.PI * 1 + Math.random())   })   .then(data => console.log(data))...
The terms "initialization" and "assignment" seem to be used interchangeably. I did some searching and it seems that there might technically be a difference. My understanding is that, in the context of variables, a variable is initiali...
I'm currently creating a Recursive tree using React and have hit another road block. I am trying to basically pass the path from within my JSON structure. So for each child I want to pass a object prop that looks something like this...  Level 1 c...
I'm reading a slide deck that states "JavaScript is untyped." This contradicted what I thought to be true so I started digging to try and learn more.  Every answer to Is JavaScript an untyped language? says that JavaScript is not untyped...
I understand that to compare two strings for equality, the interpreter has to iterate through both strings and compare each character.   That would make the time complexity 0(n) where n is the length of the shortest string.  However, comparing two nu...
For certain situations, composition is advocated over inheritance. I see this happening more and more in the Ruby and Javascript community.  Composition sounds a lot like multiple inheritance. I have even read that internally in some Ruby implementat...
I recently read this article tries to explain how JavaScript's ability to manipulate functions could be used to let every computer in the world to do a small part in processing all the information on the internet. The way I understand it is this:...
In a recent JavaScript interview I was asked about overloading vs overriding. I know this is a concept in Java. But is there something similar in JavaScript, and if so what would be code examples?  My understanding is that overloading isn't commo...
I'm just reading JavaScript: The Definitive Guide by David Flanagan.  I'm really enjoing and I'm happy my first Javascript book is this one. :)  However, I can't make much sense of this paragraph (3.7 Immutable Primitive Values and Mu...
There was this problem that asked to return all unique triplets of elements of an array which add up to zero (swapping two elements' places in the triplet does not count as unique).  I came up with the following code:    function threeSum(nums) {...

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