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<!DOCTYPE html> <html> <body> <p>Convert string to upper case:</p> <button onclick="myFunction()">Try it</button> <p id="demo">Hello World!</p> <script> function myFunction() { var text = document.getElementById("demo").innerHTML; document.getElementById("demo").innerHTML = text.toUpperCase(); } </script> </body> <!-- Mirrored from www.w3schools.com/js/tryit.asp?filename=tryjs_string_toupper by HTTrack Website Copier/3.x [XR&CO'2014], Fri, 23 Jan 2015 07:24:14 GMT --> </html>
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