Convert the string to uppercase letters:
The result of res will be:
The toUpperCase() method converts a string to uppercase letters.
Note: The toUpperCase() method does not change the original string.
Tip: Use the toLowerCase() method to convert a string to lowercase letters.
| Method | |||||
|---|---|---|---|---|---|
| toUpperCase() | Yes | Yes | Yes | Yes | Yes |
| None. |
| Return Value: | A String, representing the value of a string converted to uppercase |
|---|---|
| JavaScript Version: | 1.0 |
JavaScript String Reference
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