UNB/ CS/ David Bremner/ teaching/ cs2613/ books/ mdn/ Reference/ Global Objects/ String/ String.prototype.toLowerCase()

The toLowerCase() method of String values returns this string converted to lower case.

Syntax

toLowerCase()

Parameters

None.

Return value

A new string representing the calling string converted to lower case.

Description

The toLowerCase() method returns the value of the string converted to lower case. toLowerCase() does not affect the value of the string str itself.

Examples

Using toLowerCase()

console.log("ALPHABET".toLowerCase()); // 'alphabet'

Specifications

Browser compatibility

See also