String.prototype.toLowerCase()
The toLowerCase() method returns the calling string value
converted to lower case.
Syntax
toLowerCase()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
| Specification |
|---|
| ECMAScript Language Specification (ECMAScript) #sec-string.prototype.tolowercase |
Browser compatibility
BCD tables only load in the browser