Anand Verma on Instagram: "In JavaScript, variables are used to store data. We can store numbers, text, values, or results in variables and reuse them whenever needed. JavaScript provides three ways to declare variables: var, let, and const. 🔹 var var is the old way of declaring variables. It can be re-declared It can be re-assigned It has function scope Not recommended in modern JavaScript because it may cause confusion Example: var age = 25; var age = 30; // allowed 🔹 let let is the modern a