JSFiddle - React, Tailwind, and code Playground

HTML

<div id="message">
</div>
<audio id="bgm" src="http://www.freesfx.co.uk/rx2/mp3s/9/10780_1381246351.mp3">
</audio>

JavaScript

function Typer()
{
     var srcText = 'EXAMPLE ';
    var i = 0;
    var result = srcText[i];
    setInterval(function() {
            if(i == srcText.length) {
                clearInterval(this);
                return;
            };
            i++;
            result += srcText[i].replace("\n", "<br />");
            $("#message").html( result);
    },
    100);
    
}
function playBGM()
{
document.getElementById('bgm').play();
}

$(function() {
   Typer();
    playBGM();
});