Delete Facebook Marketplace Messages in Bulk

fb_marketplace_delete.js

// Go to https://www.messenger.com/marketplace/
// open browser consolle and run this script

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

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

  document.querySelectorAll('[aria-label="Menu"]')[1].click();

  setTimeout(function () {
    console.log("Calling first delete");
    getElementByXpath(
      '//span[text()="Delete Chat" or text()="Delete chat"]'
    ).click();
  }, 1000);

    setTimeout(function () {
    console.log("Calling second delete");
    document.querySelector('div[aria-label="Delete chat"][role="button"]').click();
  }, 1500);

}

var myInt = setInterval(function () {
  doIt();
}, 2500);