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← Introduction to JavaScript
○What is JavaScript?○Your First JavaScript Code○Data Types○Type Checking
○Declaring Variables○let and const in Practice○Operators○Type Conversion
○Conditionals○Switch Statement○For Loops○While Loop○Break and Continue
○Defining Functions○Arrow Functions●Scope○Closures○Project - Calculator○Function Expressions
○Arrays○Array Mutation Methods○Array Search and Slice○Array Iteration Methods○Multidimensional Arrays○Destructuring○Array Reverse and Sort○Array Fill○Array Find and Includes○Array Flat and FlatMap○Array Reduce, Some, and Every
○Objects○Object Methods and Destructuring○JSON○Math and Date○Date Basics
○02 Template Literals○String Methods○Regular Expressions
○Higher-Order Functions○Callbacks○map, filter, and reduce○Recursion○Project - Data Transform Pipeline
○OOP Introduction○Classes○Inheritance○Encapsulation
○Asynchronous JavaScript○Promises and Async Await○Async API Simulation

Scope

Scope decides where a variable can be used. This lesson shows one global value, one local value, and a function that combines them into a single label.

Example

javascript
const siteName = 'Frontend Lab';
function buildLabel() {
  const sectionName = 'Variables';
  return `${siteName} - ${sectionName}`;
}

Your Task

  1. Declare a global siteName set to Frontend Lab and write buildLabel() so it creates a local sectionName set to Variables.
  2. Display Frontend Lab - Variables in #output.
Hint 1
1 / 2
HINT 1

Use the global siteName inside your function.

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