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JavaScript toUpperCase() Method
JavaScript String Object
Definition and Usage
The toUpperCase() method converts a string to uppercase letters.
Syntax
string.toUpperCase()
Browser Support
The toUpperCase() method is supported in all major browsers.
Example
Example
Convert a string to uppercase letters:
<script type="text/javascript">
var str="Hello world!";
document.write(str.toUpperCase());
</script>
var str="Hello world!";
document.write(str.toUpperCase());
</script>
Try it yourself »
JavaScript String Object
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Copyright 1999-2012 by Refsnes Data. All Rights Reserved.
Tutorials, references, and examples are constantly reviewed to avoid errors, but we cannot warrant full correctness of all content.
While using this site, you agree to have read and accepted our terms of use and privacy policy.
Copyright 1999-2012 by Refsnes Data. All Rights Reserved.