Javascript Programming Tutorials, Guides & Best Practices

• Syntax: Append n to the end of an integer.
• Example:

  let bigNumber = 123456789012345678901234567890n;
  console.log(bigNumber);

     {
       let x = 10;
       console.log(x); // 10
     }
     console.log(x); // Error: x is not defined

• Variables are accessible within the entire function they are declared in.
• Example: