Undeclared Variable: An undeclared variable is one that has not been declared in the current scope. Attempting to access an undeclared variable will result in a ReferenceError. Example: console.log(brain); // ReferenceError: brain is no...
The scope is one of the important concepts in JavaScript, it manages the availability of variables. If you would like to code in JavaScript, you must understand the scope. Scope The Scope is the accessibility of variables, functions, and objects ...
Have you ever thought about what happens when you run a JavaScript program? If you are or want to be a JavaScript developer, you must know what happens when you run your JS program or how the JavaScript Programs get executed internally. To know what...
It was an exciting experience whenever you create something for the first time. For me, it is my first NPM package and also my first Open source contribution. In this article, I will describe how easy to publish NPM Package. Step 1: npm account npm...
30 Seconds of Knowledge - Web Extension that lets you gain new developer skills, every time you open a New Tab. Source Bitly | Powerful Short Links - Create short, customized, powerful links from any page and share them with the world. source Color...
Primitive types: Basically, if it’s storing a simple piece of data, it’s stored simply. When you set a variable with this type, the variable is that exact value and that’s all. If you change that value, the variable simply becomes a new value. JavaSc...
