JS: String.fromCharCode
str.length
Number of 16 bits units in string str. This is the same as number of characters in string if all the characters are ASCII. [see JS: String Code Unit]
console.log("a".length === 1); // GRINNING CAT FACE WITH SMILING EYES, 128568, U+1F638 console.log("😸".length === 2);
Here is a function that returns number of chars in string.
// function that returns number of chars in string const stringRealLength = ((str) => { let i = 0; for (let c of str) { i += 1; } return i; }); // test console.log(stringRealLength("😸") === 1); // GRINNING CAT FACE WITH SMILING EYES, 128568, U+1F638 console.log("😸".length === 2);