JavaScript String toLowerCase()

Convert to lowercase:

let text = "Hello World!";
let result = text.toLowerCase();

Description

The toLowerCase() method converts a string to lowercase letters.

The toLowerCase() method does not change the original string.

string.toLowerCase()

NONE

Type	Description
A string	The string converted to lowercase.

toLowerCase() is an ECMAScript1 (ES1) feature.

ES1 (JavaScript 1997) is fully supported in all browsers:


Chrome	Edge	Firefox	Safari	Opera	IE
Yes	Yes	Yes	Yes	Yes	Yes