///scroll to element by xpath
///tested at: https://www.w3schools.com

function getElementByXpath(path) {
  return document.evaluate(path, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
}
function findPos(obj) {
    var curtop = 0;
    if (obj.offsetParent) {
        do {
            curtop += obj.offsetTop;
        } while (obj = obj.offsetParent);
    return [curtop];
    }
}

//calling:
window.scroll(0,findPos(getElementByXpath("//a[contains(text(),'LEARN JQUERY')]")));