JavaScript Test

I know that the result of logical operations in most of the languages is either true, false or 1,0.… Read more Javascript Logical Operators And Results

Today I stumbled upon a question here on Stack Overflow - How do I remove objects from a javascript… Read more Why Does Delete Keep Array Elements?

OK, so I'm trying to understand how the new spread works as a function parameter. Imagine a fun… Read more How Does The Spread Syntax In Es6 Js Work As A Function Argument?

I just came across the following line of code in one of the Windows Store Apps samples. if (that.as… Read more What Does The '!!!' Syntax Mean In Javascript?

import React, {useState} from 'react'; function App(){ const [counter, setCounter] = use… Read more Pre Or Post Incrementing React State With ++ Throws Read Only Error

I would like to know which operators were added to Javascript most recently. This includes any oper… Read more What Are The Newest Operators Added To Javascript?

Since I sometimes needs an if-statement like if (variable == 'one' || variable == 'two&… Read more Can You Shorten An 'if' Statement Where A Certain Variable Could Be Multiple Things

I am new to javascript and so far it is my understanding that: ? & : is used for 'if true, … Read more Javascript Question Mark & Double Pipes

This article by Angus Croll explains the JavaScript comma operator like this: //(LHE: left hand exp… Read more Understanding The Javascript Comma Operator

I was wondering if there is widely recognized name for === operator. Something like 'IIFE' … Read more What Is The Name Of "===" Operator In Javascript

I am new to javascript and so far it is my understanding that: ? & : is used for 'if true, … Read more Javascript Question Mark & Double Pipes