JSFiddle - React, Tailwind, and code Playground
HTML
<button onclick="myFunction()">
click me
</button>
<script src="https://cdnjs.cloudflare.com/ajax/libs/sweetalert/2.1.2/sweetalert.min.js"></script>
JavaScript
function myFunction(){
swal("Oops!", "Something went wrong!", "error");
}