JSFiddle - React, Tailwind, and code Playground

HTML

<div class='content'>
</div>

JavaScript

$(function(){
    function print(str){
    var arr = str.split("");
    var i = 0;
    function write(){
        setTimeout(function(){
            if(i < arr.length){
                var cont = $(".content").html();
                cont = cont.replace("_","");
                $(".content").html(cont + arr[i] + "_");
                i++;
                write();
                }
            },30);
        }
        write();
    }
    
    var str = [
        "I am the egg man",
        "I am the walrus"
    ];
    
    for(x in str){
        print(str[x]);
    }
});