I don't know if this is an issue with React or IE11 but when an the input initially contains an EN-dash (8211) it fires the change event. 
JSFiddle http://jsfiddle.net/uH539/10/

});
  it('should throw if both checkedLink and valueLink are provided', function() {
    var node = document.createElement('div');
    var link = new ReactLink(true, jest.genMockFn());
    var instance = <input type="checkbox" checkedLink={link} />;
    expect(() => ReactDOM.render(instance, node)).not.toThrow();
    instance = <input type="checkbox" valueLink={link} />;
    expect(() => ReactDOM.render(instance, node)).not.toThrow();
    instance =
      <input type="checkbox" checkedLink={link} valueLink={emptyFunction} />;
    expect(() => ReactDOM.render(instance, node)).toThrow();
  });
  it('should warn if value is null', function() {
    ReactTestUtils.renderIntoDocument(<input type="text" value={null} />);
    expect(console.error.argsForCall[0][0]).toContain(
      '`value` prop on `input` should not be null. ' +
      'Consider using the empty string to clear the component or `undefined` ' +
      'for uncontrolled components.'
    );
    ReactTestUtils.renderIntoDocument(<input type="text" value={null} />);
    expect(console.error.argsForCall.length).toBe(1);
  });
  it('should warn if checked and defaultChecked props are specified', function() {
    ReactTestUtils.renderIntoDocument(
      <input type="radio" checked={true} defaultChecked={true} readOnly={true} />
    );
    expect(console.error.argsForCall[0][0]).toContain(
      'A component contains an input of type radio with both checked and defaultChecked props. ' +
      'Input elements must be either controlled or uncontrolled ' +
      '(specify either the checked prop, or the defaultChecked prop, but not ' +