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js string length

Ugliest Unicorn answered on March 10, 2020 Popularity 10/10 Helpfulness 6/10

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    Emojis and other special characters take length 2

    Explanation:

    "In UTF-16 (the encoding system used for JavaScript strings) code units are 16-bit values. [..] .Not all of the code points defined by Unicode fit into 16 bits, many Unicode code points are encoded as a pair of UTF-16 code units, which is called a surrogate pair."

    https://developer.mozilla.org/en-US/docs/Glossary/Code_unit

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