Alipay Experience Technology

Apr 23, 2023 · Fundamentals

Decoding Emoji: Unicode, Variants, and JavaScript Handling

This article explains how emojis are represented in Unicode, covering basic code points, variation selectors, skin‑tone modifiers, zero‑width joiners, flag ligatures, tag sequences and keycap symbols, and shows how JavaScript can correctly process them using grapheme‑cluster techniques.