JavaScript variables are loosely/dynamically typed and the language doesn’t care how a value is declared or changed
  1. javascript Truthy & Falsy value

In JavaScript, truthy are expressions which evaluate to boolean true value and falsy evaluates to boolean false value. Unlike other languages, true and false values are not limited to boolean data types and comparisons. It can have many other forms.

As well as a type, each value also has an inherent boolean value, generally known as either truthy or falsy. Some of the rules are a little bizarre so understanding the concepts and effect on comparison helps when debugging JavaScript applications.

The following values are always falsy:

  • false

Build powerful interactive applications with React, a popular JavaScript library.
  1. Why we Should Learn React Js

ReactJS presents graceful solutions to some of the front-end programming’s most persistent issues. It’s fast, scalable, flexible, powerful, and has a robust developer community that’s rapidly growing. There’s never been a better time to learn React.

You’ll develop a strong understanding of React’s most essential concepts: JSX, class and function components, props, state, lifecycle methods, and hooks. You’ll be able to combine these ideas in React’s modular programming style.

I’ve been using React for over a year now. I’m also conducting training to help people learn it from scratch. I noticed that in every…

Let’s learn some JS Data Types you’ve never heard of
  1. Data Type

A value in JavaScript is always of a certain type. For example, a string or a number. Data types basically specify what kind of data can be stored and manipulated within a program.

Let’s learn some new JS you’ve never heard of

You probably already know a lot about JavaScript from the internet, especially MDN Web Docs. But that knowledge of yours has just been rubbed a little further, where you will learn about something unknown. Because JavaScript is a confusing language of the whole world.

So let’s turn around a bit.

1. String

In JavaScript, the textual data is stored as strings. There is no separate type for a single character. Simply put, a string is a collection of characters.


Let’s recall the kinds of quotes.

Strings can be enclosed within either single quotes, double quotes, or backticks:

Payal Paul

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