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Exercise:
Convert the value of txt to upper case.
Hint
Hint: Use the toUpperCase() method.
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<!DOCTYPE html> <html> <body> <p id="demo"></p> <script> var txt = "Hello World"; document.getElementById("demo").innerHTML = txt; </script> </body> </html>
<!DOCTYPE html> <html> <body> <p id="demo"></p> <script> var txt = "Hello World"; document.getElementById("demo").innerHTML = txt.toUpperCase(); </script> </body> </html>
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