JSFiddle - React, Tailwind, and code Playground

HTML

Enter Input String to convert:
<input id="inputVal" type="text" value="SCORE" />
<br/>
<br/>Output Sum:
<textarea id="output"></textarea>
<br/>
<input type="button" value="Translate" onclick="m_o()" />

JavaScript

function m_o() {
    var value =$("#inputVal").val();
    var finalCount = 0;
    for (var i = 0; i < value.length; i++) {
        finalCount += (value.toUpperCase().charCodeAt(i) - 64);
    }
    $("#output").html(finalCount);
}