Lesson 27: Advanced Functions

Lesson Overview

In this lesson, we will explore advanced functions in JavaScript, including closures, higher-order functions, and the use of the 'this' keyword.

Graphical Preview

Graphical representation of advanced functions will be shown here.

Code Preview


// Example of a higher-order function
function greet(name) {
    return function() {
        console.log("Hello, " + name);
    };
}

const greetJohn = greet("John");
greetJohn(); // Outputs: Hello, John

Lesson 27: Advanced Functions

Lesson Overview

In this lesson, we will explore advanced functions in JavaScript, including closures, higher-order functions, and the use of the 'this' keyword.

Graphical Preview

Graphical representation of advanced functions will be shown here.

Code Preview


// Example of a higher-order function
function greet(name) {
    return function() {
        console.log("Hello, " + name);
    };
}

const greetJohn = greet("John");
greetJohn(); // Outputs: Hello, John

`; const blob = new Blob([htmlContent], { type: 'text/html' }); const url = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = 'lesson27.html'; a.click(); URL.revokeObjectURL(url); }); document.getElementById('download-js').addEventListener('click', function() { const jsContent = `// Example of a higher-order function function greet(name) { return function() { console.log("Hello, " + name); }; } const greetJohn = greet("John"); greetJohn(); // Outputs: Hello, John`; const blob = new Blob([jsContent], { type: 'application/javascript' }); const url = URL.createObjectURL(blob); const a = document.createElement('a'); a.href = url; a.download = 'lesson27.js'; a.click(); URL.revokeObjectURL(url); });