Web storage provides a way for websites to store key-value pairs in a web browser. The main storage options are localStorage and sessionStorage. Understanding the differences between these storage mechanisms and how to use them is crucial for any JavaScript developer, whether you’re a beginner or an experienced professional.
JavaScript offers two main ways to define functions: traditional (normal) functions and arrow functions. While both serve the purpose of defining reusable blocks of code, there are fundamental differences in their behavior, especially regarding scope, syntax, and the this keyword.
n JavaScript, variables have different scopes depending on where and how they are declared. Understanding these scopes is crucial for avoiding bugs and ensuring predictable behavior in your code. There are primarily three types of variable scopes in JavaScript:
