JS Udalosti

<h1>Working With Events</h1>

    <form action="">
        First name: <input type="text" name="firstName" /> <br />
        <div id="firstNameWrong">First name is required you have to fill it.</div>
        Last name: <input type="text" name="lastName" /> <br />
        Email: <input type="text" name="email" /> <br />
        Comment: <textarea name="comment" cols="" rows="" >This is place for your comment...</textarea> <br />
        <input id="submit" type="submit" value="Submit" />
    </form>