uncontrolled_form.js

submitFormHandler = event => {
  event.preventDefault();
  
  console.dir(this.refs.name.value); //will give us the name value
}

render() {
  return (
      <div>

        <form onSubmit={this.submitFormHandler}>
          <div>
            <input type="text" name="name" ref="name" />
          </div>
        </form>

      </div>
  );
}