JavaScript Lesson 07 | Functions | Parameters, Return & Default Values

Опубликовано: 20 Май 2026
на канале: DeveloperMaroof
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#javascript #functions #developermaroof

JavaScript functions: learn how to create and call functions, pass parameters, return values, use default parameters, and write reusable code. Short demos include greet(), greetUser(name), introduce(name, age), isAdult(age) and a function with default parameter.

What you’ll learn:
• Create and call functions in JavaScript (functions in javascript)
• Function parameters and multiple arguments (function parameters)
• Return statements — returning values from functions (return statement)
• Default parameters and when to use them (default parameters)
• Practical console examples — copy code and run in DevTools Console