Ever wondered what NPM is and why it’s a must-know tool for JavaScript developers? 😐 NPM, short for Node Package Manager. NPM is the go-to solution for managing packages and dependencies in your Node.js projects. In this article, we’ll dive into the importance of NPM and guide you through the…

What is Framer motion? 🤔 It is a powerful motion library for react. This library allows devs 🧑🏻‍💻👩🏻‍💻 to add animations to React components with less code. How to add Framer motion to react app? After setting up the react app, install this dependency using below command. npm : npm…

So we developers write code to solve day to day problems. But can we just go ahead and write code and automate a task and be satisfied it anyhow worked? Nope! There are 3 pillars developers should keep in mind :) Write readable code Speed (Code efficiency) — The code should have big O time complexity that is efficient Memory — Memory usage of code. Again big O is used to measure space complexity. Code solutions usually have a tradeoff between space and memory.

What is a data type? “A data type, in programming, is a classification that specifies which type of value a variable has and what type of mathematical, relational or logical operations can be applied to it without causing an error.” (techtarget, data type, November 2016) From the above referenced quote…

This is also called as local scope. What is the local/function scope ❓ The possible accessibility to variables and functions within the particular function block environment is called local/function scope. function random(){ // random function's scope start here //instructions }// random function's scope ends here So what exactly are allowed to access or use within this block? Variables and functions defined within the function.

Firstly, what is a block ❓ It is a wrapper that allows a programmer to write one or more instructions within it. How does a block look like in JS ❓ {} -> a block { // code is written within the block } What is the use of a…

What is a function? A function is simply an activity, that is done to achieve particular outcome. For example, we can think baking a cake in oven as a function. By a mix of correct amount of butter, flour, sugar, vanilla, eggs and baking powder put in an oven at…

SyntaxError code : const a; Error : SyntaxError: missing = in const declaration Reason : when creating a variable using const keyword, variable should be declared and assigned a value on the same line. Therefore, this error is fired because it is violating its syntax. TypeError code : const a…

In JavaScript, the variables and functions are hoisted and are able to access in top of their scope. For example, console.log(studentName); printAge(12); var studentName = "Windy"; function printAge(age){ console.log("Age is: ",age); } There are two keywords that was introduced by JavaScript ES2015 version to create variables and constants called let…