Javascript Basics String Charcodeat Method RhpBQY9Z Bo

Web Reference: The charCodeAt() method returns the Unicode of the character at a specified index (position) in a string. The index of the first character is 0, the second is 1, .... Jul 10, 2025 · The charCodeAt() method of String values returns an integer between 0 and 65535 representing the UTF-16 code unit at the given index. charCodeAt() always indexes the string as a sequence of UTF-16 code units, so it may return lone surrogates. Jan 16, 2026 · Used to get the numeric code of a character. This method takes one parameter called index to identify a character in the string. It uses this index to work with the Unicode value of that character. The method accepts a single parameter: index. The index must be between 0 and string.length - 1.

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