JSFiddle - React, Tailwind, and code Playground

HTML

<div id="mydiv"></div>

JavaScript

String.prototype.toCharNums = function() {
    var resultstr = "";
    for (var i = 0; i < this.length; i++) {
        resultstr += "c(" + this.charCodeAt(i) + ")+";
    }
    return resultstr.substr(0, resultstr.length - 1);
}

$("#mydiv").html(prompt("Text?", "").toCharNums());