5. Understanding Scope

In this section

• Understanding JavaScript Scope: A Beginner's Guide
  Explore the concept of scope in JavaScript, learn how it controls variable visibility and lifetime, and differentiate between global and local scope with examples and diagrams.
• Understanding Global Scope in JavaScript: A Beginner's Guide
  Explore the concept of global scope in JavaScript, learn how variables declared in the global context are accessible throughout the program, and discover best practices to minimize risks associated with global variables.
• Function Scope in JavaScript: Understanding Local Variables and Encapsulation
  Explore the concept of function scope in JavaScript, learn how variables are scoped within functions, and understand the role of encapsulation in programming.
• Block Scope with `let` and `const` in JavaScript
  Explore block-level scope introduced with `let` and `const` in JavaScript. Understand how they differ from function scope and learn best practices for variable declaration.
• Scope Chain in JavaScript: Understanding Variable Resolution
  Explore the mechanism of the scope chain in JavaScript, how it resolves variables, and its implications for nested functions and closures.