What is the significance of `new` keyword in javascript?

What is the difference between the following two statements? Statement 1: throw Error("some error message"); Statement 2: throw new Error("some error message");

Which one is advisable in react js

Why does Angular have such a complex dependency injection (DI) mechanism?

I'm a front end developer with over 6 years experience, as such I've jumped between FE frameworks like Backbone, Angular (1, 2, 4), Salesforce lightning, React. Recently, I started working on an Angular project and started understanding their DI mec...

Why does Babel.js convert Js-Module like that.

Concepts of module in JavaScript First: require / exports.module Second: import / export Why does Babel.js convert the second module Concept (import / export) to the first module Concept (require / module.exports)? I‘m using babel.js to be able to us...

How will you return the promise which will resolve earlier than others in an array of promises and cancel others which are pending?

Please find the code below: const cacheSourceA = new Promise((resolve, reject) => { setTimeout(() => resolve({ someValue: 101 }), 1500); }); const cacheSourceB = new Promise((resolve, reject) => { setTimeout(() => resolve({ someValue: 100 })...

Cross Origin issue while using getImageData() on canvas.

I have attached an online video URL on my web page, and I'm taking a snapshot of the video by creating a canvas, now I'm trying to use getImageData() function to operate over that canvas. But I'm getting The canvas has been tainted by cross-origin d...

How to Pass Mobx store in React Native using Provider?

When im trying to use React Native Single Store. After injecting into Home Component the store is not visible in props of Home component. By displaying the props of Home component im not able to access the store that was passed to Home component from...

What extensions do you use on VS Code for react development

Ok, it is one of those days, PHPStorm is sucking up everything I have on my computer. Literally I7 laptop acts like a spaceX shuttle. I need to get rid of it but last 3 attempts to use VS Code was not pleasant. No matter what extensions I added, stil...

What's your opinion about the way npm developed over the years?

I found this talk on what happened with npm, from node’s former CTO https://www.youtube.com/watch?v=MO8hZlgK5zc What do you think about the recent events at npm?

react dynamic table creation

hey guys i am doing a mini project in which i have to input fields one is row and the another one is column and i have button named create if i enter a value in both the fields and click create a empty table should be created. for example,if i give 3...