DeveloperBreeze

Variable Naming Rules Development Tutorials, Guides & Insights

Unlock 1+ expert-curated variable naming rules tutorials, real-world code snippets, and modern dev strategies. From fundamentals to advanced topics, boost your variable naming rules skills on DeveloperBreeze.

Variables and Constants

Tutorial December 10, 2024
javascript

  • Variables are accessible only within the block they are declared in.
  • Example:
     {
       let x = 10;
       console.log(x); // 10
     }
     console.log(x); // Error: x is not defined