Function getNodeName

examples/simple/react.js:1868–1870

* Extracts the `nodeName` from a string of markup. * * NOTE: Extracting the `nodeName` does not require a regular expression match * because we make assumptions about React-generated markup (i.e. there are no * spaces surrounding the opening tag and there is at least one attribute). * * @param

(markup)

 * @see http://jsperf.com/extract-nodename
 */
function getNodeName(markup) {
  return markup.substring(1, markup.indexOf(' '));
}

var Danger = {