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<html><body><h3>A demonstration of how to access a SUP element</h3><p>Click the button to set the color of <sup id="mySup">this superscript text</sup> to red.</p><button onclick="myFunction()">Try it</button><script>function myFunction() { var x = document.getElementById("mySup"); x.style.color = "red";}</script></body></html>