xpath-select-elements.js

function $$x (selector) {
  const xpathResult = document.evaluate(selector, document, null, XPathResult.ANY_TYPE, null)

  const resultArray = []

  while (true) {
     const item = xpathResult.iterateNext()

     if (item) {
       resultArray.push(item)
     } else {
       break
     }
  }

  return resultArray
}