JSFiddle - React, Tailwind, and code Playground

by shapeshifta

JavaScript

$('form.js-update-mail-form input').on('focusin focusout', function (e) {
    var $this = $(this), 
        parent = $this.parents('form.js-update-mail-form');
    
    if (e.type === 'focusin') {
        parent.find('.btn').addClass('focused');
        parent.find('.icon-check-invert').show();
        parent.find('.icon-arrow').hide();
    } else {
        parent.find('.btn').removeClass('focused');
        parent.find('.icon-arrow').show();
        parent.find('.icon-check-invert').hide();
    }
});