JavaScript String toLowerCase()
Example
Convert to lowercase:
let text = "Hello World!";
let result = text.toLowerCase();
Try it Yourself »
Definition and Usage
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 (ES1) feature.
ES1 (JavaScript 1997) is fully supported in all browsers:
| Chrome | IE | Edge | Firefox | Safari | Opera |
| Yes | Yes | Yes | Yes | Yes | Yes |
