Lesson 8: Understanding Functions

Lesson Overview

In this lesson, you will learn about functions in JavaScript, how to define them, and how to invoke them.

Graphical Preview

Graphical representation of functions will be displayed here.

Code Example


function greet(name) {
    return 'Hello, ' + name + '!';
}
console.log(greet('World'));
            

Lesson 8: Understanding Functions

Lesson Overview

In this lesson, you will learn about functions in JavaScript, how to define them, and how to invoke them.

Graphical Preview

Graphical representation of functions will be displayed here.

Code Example


function greet(name) {
    return 'Hello, ' + name + '!';
}
console.log(greet('World'));
            
`; const blob = new Blob([htmlContent], { type: 'text/html' }); const url = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = 'lesson08.html'; a.click(); URL.revokeObjectURL(url); }); document.getElementById('download-js').addEventListener('click', function() { const jsContent = `function greet(name) { return 'Hello, ' + name + '!'; } console.log(greet('World'));`; const blob = new Blob([jsContent], { type: 'application/javascript' }); const url = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = 'lesson08.js'; a.click(); URL.revokeObjectURL(url); });