JavaScript (ES2026) reference · String Methods

JavaScript String codePointAt() Method

Return the full Unicode code point at an index, correctly handling emoji and other characters outside the BMP.

JavaScript (ES2026) Since ES2015

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Syntax

string.codePointAt(index)

Parameter	Description
`index`	Position (in UTF-16 code units).

A number, or undefined.

An emoji's code pointTry it yourself

console.log("\u{1F42B}".codePointAt(0).toString(16));

Output

1f42b

Loop with for…of to get whole charactersTry it yourself

for (const ch of "a\u{1F600}") {
  console.log(ch.length, ch.codePointAt(0)); // each item is a whole character
}

Output

1 97
2 128512

Version	Change
JavaScript ES2015	Added

string.charCodeAt() · Return the UTF-16 code unit (0 to 65535) at an index. For emoji and other astral characters use codePointAt().
String.fromCodePoint() · Create a string from Unicode code points, including emoji outside the BMP that fromCharCode() can't express in one number.
JavaScript Strings · tutorial
JavaScript String Methods · tutorial