Mathias Bynens • 1/20/2012

JavaScript’s internal character encoding: UCS-2 or UTF-16?

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This technical article investigates JavaScript's internal character encoding, clarifying the distinction between UCS-2 and UTF-16. It explains Unicode code points, the Basic Multilingual Plane (BMP), and how UTF-16 uses surrogate pairs to encode supplementary characters, which is crucial for understanding string handling in the language.

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#JavaScript #character encoding #unicode
JavaScript’s internal character encoding: UCS-2 or UTF-16?

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