JSFiddle - React, Tailwind, and code Playground
HTML
<div class="form-group">
<label for="email" class="control-label pull-left">E-mail *</label>
<div class="col-xs-12 col-sm-5">
<input id="email" class="form-control" type="email" required/>
</div>
</div>
JavaScript
$(document).ready(function() {
$("#email").on('blur', function(){
alert("Evento blur");
});
});