download the content of a DOM element as text - run in browser console

saveDOMelementAsText.js

function saveAsTextFile(element, filename) { // via stackoverflow.com/a/32858416
    var textFileAsBlob = new Blob([element.innerHTML], {type:'text/plain'});
    var link = document.createElement("a");
    link.download = filename;
    link.href = window.URL.createObjectURL(textFileAsBlob); // works only in Chrome without attaching it to the DOM
    link.click();
}

saveAsTextFile(document.getElementById("content"), "content.xml");