🔰scalar

single-code-unit character.

JS ⟩ value ⟩ primitive ⟩ String ⟩ Unicode ⟩ encoding ⟩ UTF-16 ⟩ scalar

code points in the basic multilingual plane (single-code-unit characters).

• 0xD800 ~ 0xDFFFare reserved for surrogate pairs❗

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