How to wait for all Promises to resolve in JavaScript
So you have a bunch of Promises, and you want to proceed only when all of them are resolved. In JavaScript there are 2 main approaches to solving this. ...
What is TypeScript and why should you use it?
What is TypeScript? TypeScript is a programming language developed and maintained by Microsoft. It introduces additional features like strict type binding (variables are bound to specific data types) to JavaScript and can also be compiled down to JavaScript as well....
JavaScript Interview Question #50: How does Intl.Collator work in JS
What is Intl.Collator and how does it work in JS? What’s the difference between two sorts? What will be logged to the console? . . . . . . ....
JavaScript Interview Question #49: Add a new array element by index
Will the length of the JS array change? What’s the output? . . . . . . . . . . . . . . . . . All JavaScript arrays have the push function....
JavaScript Interview Question #48: Dog-sized Cat. JS Object Properties
How many errors are in this code snippet? What’s the output? . . . . . . . . . . . . . . . . . In JavaScript there are two ways to get access to the object properties....
JavaScript Interview Question #47: How Object.setPrototypeOf works in JS
What is Object.setPrototypeOf in JavaScript? How does it work? What’s the output? . . . . . . . . . . . . . . . . . Theory The function Object....
JavaScript Interview Question #46: length of JS functions
What’s the value of the length field for JavaScript functions? What will be logged to the console? . . . . . . . . . . . . ....
Learn JavaScript from scratch
Hey! If you want to learn how to code, but don’t know where to start, I’ll help you. We will start learning from the very beginning. Let’s figure out what a function is, how a string differs from a number, how to create conditionals and loops....
HTML Text Properties
HTML text has a couple of properties. When these properties change, the looks and feel of the website changes too. For example, here I’ve already told you how to change the color of the text in HTML....
CSS Identifiers and Classes
— How we select elements for applying styles is called a selector. Until now, we have selected elements by tag name. — Well, yes, we specified, for example, h1 or p and then listed CSS properties....