Get elements with XPath in javascript

getElementsByXPath.js

//This function is from http://stackoverflow.com/questions/10596417/is-there-a-way-to-get-element-by-xpath-using-javascript-in-selenium-webdriver

function getElementByXpath(path) {
  return document.evaluate(path, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
}

console.log( getElementByXpath("//*[contains(text(), 'test')]"));