JSFiddle - React, Tailwind, and code Playground

HTML

<input 
    id="submitting" 
    type="submit" 
    value="Submit" 
    class="btn btn-success"
    title=""
/>

JavaScript

$( "#submitting" ).tooltip({ content: '<img src="http://icdn.pro/images/fr/a/v/avatar-barbe-brun-homme-utilisateur-icone-9665-128.png" />' });