Tag: Javascript Basics

Understanding Variable Shadowing in JavaScript

In JavaScript, you might create a new variable with the same name as an old one. This is tricky for beginners. For example, you... Read more »

Javascript: Variable undefined and no value / empty variable

Empty variable example in Javascript. Undefined variable example in Javascript. How to declare a variable with no value in javascript. How to declare an... Read more »

JavaScript: Check if null variable, object

How to check if a variable is null in JavaScript? How to check if an object is null in JS? Check if the variable... Read more »

Javascript Basics – For Learning & Interview Preparation

Learn the basics of Javascript with examples. It is very important to have a good basic foundation to become a successful Javascript developer. So... Read more »