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

**What is the current behavior?**
When an input field changes from "email" to "text", an exception TypeError will be thrown from setSelection.
![Screenshot](https://raw.githubusercontent.com/adrianimboden/react-bug-reproduction/master/screenshot.png)

**Reproduction**
See here: https://github.com/adrianimboden/react-bug-reproduction

**What is the expected behavior?**
It should not crash because of an uncaught exception

**Which versions of React, and which browser / OS are affected by this issue? Did this work in previous versions of React?**
master (https://github.com/facebook/react/commit/4ca7855ca062d5d7dfca83c86acf46731e1e57ef)
Firefox

This would be my proposed change to fix the issue: https://github.com/adrianimboden/react/commit/db923b8c3c1cb23ad9fb150c160ce56f39dd3cae
<li>Type ".2" into the text input</li>
          </TestCase.Steps>
          <TestCase.ExpectedResult>
            The text field's value should not update.
          </TestCase.ExpectedResult>
          <Fixture>
            <div className="control-box">
              <fieldset>
                <legend>Value as number</legend>
                <input value={2} onChange={() => {}} />
              </fieldset>
              <fieldset>
                <legend>Value as string</legend>
                <input value={'2'} onChange={() => {}} />
              </fieldset>
            </div>
          </Fixture>
          <p className="footnote">
            This issue was first introduced when we added extra logic to number
            inputs to prevent unexpected behavior in Chrome and Safari (see the
            number input test case).
          </p>
        </TestCase>
        <TestCase
          title="Required Inputs"
          affectedBrowsers="Firefox"
          relatedIssues="8395">
          <TestCase.Steps>
            <li>View this test in Firefox</li>
          </TestCase.Steps>