charAt

The charAt() method returns the character at the specified index in a string.

Interactive example

Syntax

Classic signature

function charAt(
	input: string,
	index: number
): string

Curried signature

function charAt<
	GenericInput extends string
>(
	index: number
): (input: GenericInput) => string

Parameters

• input: The string from which to retrieve the character.
• index: The index of the character to return (starts at 0).

Return value

A string representing the character at the specified index. If the index is out of bounds, returns an empty string ("").

See also

• indexOf - Finds the index of a substring
• lastIndexOf - Finds the last index of a substring

Sources

• MDN Web Docs - String.prototype.charAt()