The charCodeAt() method returns an integer between 0 and 65535 representing the UTF-16 code unit at the given index (the UTF-16 code unit matches the Unicode code point for code points representable in a single UTF-16 code unit, but might also be the first code unit of a surrogate pair for code points not representable in a single UTF-16 code unit, e.g. Unicode code points > 0x10000). If you want the entire code point value, use codePointAt().

JavaScript Method Reference String Unicode

The static String.fromCharCode() method returns a string created by using the specified sequence of Unicode values.

JavaScript Method Reference String Unicode

The normalize() method returns the Unicode Normalization Form of a given string (if the value isn't a string, it will be converted to one first).

ECMAScript6 JavaScript Method Prototype Reference String Unicode

Base64 is a group of similar binary-to-text encoding schemes that represent binary data in an ASCII string format by translating it into a radix-64 representation. The term Base64 originates from a specific MIME content transfer encoding.

Advanced atob() Base64 btoa() JavaScript Typed Arrays Unicode Problem URI url URL

Base64 is a group of similar binary-to-text encoding schemes that represent binary data in an ASCII string format by translating it into a radix-64 representation. The term Base64 originates from a specific MIME content transfer encoding.

Advanced atob() Base64 btoa() JavaScript Typed Arrays Unicode Problem URI url URL