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

* Helper to nullify syntheticEvent instance properties when destructing * * @param {String} propName * @param {?object} getVal * @return {

* find if a array contains the object using indexOf or a simple polyFill * @param {Array} src * @param {String} find * @param {String} [findByKey]

* find if a array contains the object using indexOf or a simple polyFill * @param {Array} src * @param {String} find * @param {String} [findB

* find if a array contains the object using indexOf or a simple polyFill * @param {Array} src * @param {String} find * @param {String} [findByKey]

* if the argument is an array, we want to execute the fn on each entry * if it aint an array we don't want to do a thing. * this is used by all the

* if the argument is an array, we want to execute the fn on each entry * if it aint an array we don't want to do a thing. * this is used by all

* if the argument is an array, we want to execute the fn on each entry * if it aint an array we don't want to do a thing. * this is used by all the