JavaScript document XPath text selector

getElemByText.js

function getElemByText(text) {
  return document.evaluate(
    `//*[contains(translate(text(), 'ABCDEFGHIJKLMNOPQRSTUVWXYZ', 'abcdefghijklmnopqrstuvwxyz'), '${text}')]`, 
    document, 
    null, 
    XPathResult.FIRST_ORDERED_NODE_TYPE, 
    null
  ).singleNodeValue;
}