JavaScript toUpperCase() Method
 Complete String Object Reference
Definition and Usage
The toUpperCase() method is used to display a string in uppercase letters.
Syntax
stringObject.toUpperCase()
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Example
In this example "Hello world!" will be displayed in upper case letters:
<script type="text/javascript">
var str="Hello world!";
document.write(str.toUpperCase());
</script>
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Try-It-Yourself Demos
toUpperCase()
How to use toUpperCase() to display a string in upper case letters.
Complete String Object Reference
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