JSFiddle - React, Tailwind, and code Playground
by Web Carvers
HTML
<input type="text" name="search" id="inputSearch" class=""/>
<p></p>
JavaScript
$("#inputSearch").on('keypress',function (e) {
if (e.keyCode == 13) {
$("#inputSearch").addClass("buttonSearch");
}
});
$("p").text($("#inputSearch").attr("class"));