* @param {object} nativeEvent Native browser event. * @return {string} Normalized `key` property.

* Get the appropriate anchor and focus node/offset pairs for IE. * * The catch here is that IE's selection API doesn't provide information * abo

* Given a DOM node, return the ReactDOMComponent or ReactDOMTextComponent * instance, or null if the node was not rendered by this React.

* @param {DOMElement} node * @return {?object}

* Given a ReactDOMComponent or ReactDOMTextComponent, return the corresponding * DOM node.

* Return the parent instance of the passed-in instance.

* If a `change` event should be fired, returns the target's ID.

* (For IE <=11) Handles a propertychange event, sending a `change` event if * the value of the active element has changed.

* @param {SyntheticEvent} event * @return {boolean} True iff number of dispatches accumulated is greater than 0.

* Call a function while guarding against errors that happens within it. * * @param {?String} name of the guard to use for logging or debugging *

* Return if A is an ancestor of B.

* @param {ReactComponent} component * @return {boolean}

* Maps children that are typically specified as `props.children`. * * The provided mapFunction(child, index) will be called for each * leaf chil

* Mounts this component and inserts it into the DOM. * * @param {ReactComponent} componentInstance The instance to mount. * @param {DOMElement}

* Array comparator for ReactComponents by mount ordering. * * @param {ReactComponent} c1 first component you're comparing * @param {ReactCompone

* Returns the first child in a collection of children and verifies that there * is only one child in the collection. The current implementation of t

* @param {DOMElement|DOMTextNode} node * @param {object} offsets

* In modern non-IE browsers, we can support both forward and backward * selections. * * Note: IE10+ supports the Selection object, but it does n

* Traverses the ID hierarchy and invokes the supplied `cb` on any IDs that * should would receive a `mouseEnter` or `mouseLeave` event. * * Does

* Simulates the traversal of a two-phase, capture/bubble event dispatch.

* Unmounts a component and removes it from the DOM. * * @param {ReactComponent} instance React component instance. * @param {DOMElement} contain