JavaScript String toLowerCase()
Example
Convert to lowercase:
let text = "Hello World!";
let result = text.toLowerCase();
Try it Yourself »
let result = text.toLowerCase();
Description
The toLowerCase() method converts a string to lowercase letters.
The toLowerCase() method does not change the original string.
Syntax
string.toLowerCase()
Parameters
NONE
Return Value
Type
Description
A string The string converted to lowercase.
Browser Support
toLowerCase() is an ECMAScript1 (JavaScript 1997) feature.
It is supported in all browsers:
| Chrome | Edge | Firefox | Safari | Opera | IE |
| Yes | Yes | Yes | Yes | Yes | Yes |