JSFiddle - React, Tailwind, and code Playground
JavaScript
var $button = $('<a href="" /></a>');
var $image = $('<img src="">');
$image.attr('src', 'http://homepage.modaladpoc.devel.clix.pt/static/images/partilhar.png' );
$image.appendTo( $button );
$button.appendTo('body');