var

JavaScript is a versatile programming language that offers a lot of flexibility to developers. However, there is one feature of JavaScript that can cause some confusion when it comes to loops and scoping. In this article, we will explore this feature and provide some tricks to work around it using var and let declarations. Let’s start with an example: const operations = [] for (var i = 0; i < 5; i++) { operations....

When should you use let over var? And why? Let’s find out! In modern JavaScript, there are three ways to declare a variable and assign it a value: const, let, and var. When it comes to working with variables in JavaScript, my default choice is always const. It guarantees that the value cannot be reassigned, making it a safer option. However, when there is a need to redeclare a variable later on, I always use let....