JavaScript String toLowerCase() method
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Definition and usage
toLowerCase() The method converts the string to lowercase letters.
toLowerCase() The method does not change the original string.
See also:
Example
Convert to lowercase:
let text = "Hello World!"; let result = text.toLowerCase();
Syntax
string.toLowerCase()
Parameter
No parameters.
Return value
| Type | Description |
|---|---|
| String | Converts a string to lowercase. |
Browser support
toLowerCase() It is an ECMAScript1 (ES1) feature.
All browsers fully support ES1 (JavaScript 1997):
| Chrome | IE | Edge | Firefox | Safari | Opera |
|---|---|---|---|---|---|
| Chrome | IE | Edge | Firefox | Safari | Opera |
| Support | Support | Support | Support | Support | Support |
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