ByteFE
Feb 10, 2021 · Frontend Development
Handling Unicode and Supplementary Characters in JavaScript
This article explains how JavaScript processes Unicode characters, demonstrates the limitations of legacy APIs like charCodeAt and fromCharCode with supplementary characters, and introduces modern methods such as codePointAt, fromCodePoint, Unicode escape syntax, surrogate pairs, and polyfills for full Unicode support.
JavaScriptUTF-8Unicode
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