String.prototype.codePointAt()

The codePointAt() method returns a non-negative integer that is the Unicode code point value at the given position. Note that this function does not give the nth code point in a string, but the code point starting at the specified string index.

Syntax

codePointAt(pos)

Parameters

• pos
  • : Position of an element in str to return the code point value from.

Return value

A decimal number representing the code point value of the character at the given pos.

• If there is no element at pos, returns undefined.
• If the element at pos is a UTF-16 high surrogate, returns the code point of the surrogate pair.
• If the element at pos is a UTF-16 low surrogate, returns only the low surrogate code point.