JSFiddle - React, Tailwind, and code Playground

HTML

<script>
    var name=prompt("Enter your name", "Enter your name")
    if (name!=='' && name!=='Enter your name') {
    alert("Welcome" + " " + name)
    } else if(name!==false) {
    prompt("Oops, looks like you didnt enter anything");
    }
    </script>