Rxjs based React forms blog post

DeclarativeFormStyle.jsx

<EasyForm onsubmit="this.onFormSubmit">
    <label>
      First name
      <input name="firstName" />
    </label>
    <label>
      Last name
      <input name="lastName" />
    </label>
    <input name="newsletterSub" type="checkbox" />
    <button type="submit">Submit</button>
</EasyForm>