JavaScript - Unicode & Encodings

Overview

Estimated time: 10–15 minutes

Unicode and text encodings are important for working with international text and special characters in JavaScript.

Learning Objectives

• Understand Unicode and UTF-8 encoding.
• Work with special characters and code points.

Prerequisites

• JavaScript - Ajax & JSON

Unicode Example

const smile = '\u{1F600}'; // 😀
console.log(smile);

Encoding Example

const encoder = new TextEncoder();
const bytes = encoder.encode('hello');
const decoder = new TextDecoder();
console.log(decoder.decode(bytes));

Common Pitfalls

• Some older browsers lack full Unicode/encoding support.

Summary

Unicode and encoding support is essential for global, accessible web applications.