JavaScript String toLowerCase() Method
Example
Convert the string to lowercase letters:
var str = "Hello World!";
var res = str.toLowerCase();
Try it Yourself »
Definition and Usage
The toLowerCase() method converts a string to lowercase letters.
Note: The toLowerCase() method does not change the original string.
Tip: Use the toUpperCase() method to convert a string to uppercase letters.
Browser Support
| Method | |||||
|---|---|---|---|---|---|
| toLowerCase() | Yes | Yes | Yes | Yes | Yes |
Syntax
string.toLowerCase()
Parameters
| None. |
Technical Details
| Return Value: | A String, representing the value of a string converted to lowercase |
|---|---|
| JavaScript Version: | ECMAScript 1 |
