<!DOCTYPE html>
<html>
<body>
<p>Click the button to display a string as superscript text.</p>
<button onclick="myFunction()">Try it</button>
<p id="demo"></p>
<script>
function myFunction() {
var superInd="2";
var superI = superInd.sup();
var str = "mi texto con m"+superI+" pero el 2 como superindic"+superI+"e";
document.getElementById("demo").innerHTML = str;
}
</script>
</body>
</html>