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**Do you want to request a *feature* or report a *bug*?**

Bug.

**What is the current behavior?**

Creating an `<input type='submit'` with `value={undefined}` results in a button with no text. https://codesandbox.io/s/nn7p94y3rl

The same behaviour can be seen with `type='reset'`

I have a PR open with a proposed fix. https://github.com/facebook/react/pull/12780

**What is the expected behavior?**

The input should use the browser's default value for the input (Submit for en, etc.).

**Which versions of React, and which browser / OS are affected by this issue? Did this work in previous versions of React?**

React 16.3.2. Chrome 66.0.3359.139. macOS 10.13.4. Works in React 15 (unsure of earlier versions)

}
      return el;
    });
    ReactDOM.render(
      <input
        value="0"
        onChange={() => {}}
        type="range"
        min="0"
        max="100"
        step="1"
      />,
      container,
    );
    expect(log).toEqual([
      'set attribute type',
      'set attribute min',
      'set attribute max',
      'set attribute step',
      'set property value',
      'set attribute value',
      'set attribute checked',
    ]);
  });
  it('sets value properly with type coming later in props', () => {
    const input = ReactDOM.render(<input value="hi" type="radio" />, container);
    expect(input.value).toBe('hi');
  });
  it('does not raise a validation warning when it switches types', () => {
    class Input extends React.Component {