OneTab backup script

backup_script.js

function backup() {
  function downloadBlob(filename, blobUrl) {
    var element = document.createElement('a');
    element.setAttribute('href', blobUrl);
    element.setAttribute('download', filename);
    element.style.display = 'none';
    document.body.appendChild(element);
    element.click();
    document.body.removeChild(element);
  }

  var now = new Date();
  var date = "";
  date += now.getFullYear();
  date += ( (now.getMonth() + 1) < 10 ? "0" + (now.getMonth() + 1) : (now.getMonth() + 1) );
  date += (  now.getDate()       < 10 ? "0" + now.getDate() : now.getDate() );
  date += "_";
  date += ( now.getHours()   < 10 ? "0" + now.getHours()   : now.getHours() );
  date += ( now.getMinutes() < 10 ? "0" + now.getMinutes() : now.getMinutes() );

  var jsonStateBlobURL = URL.createObjectURL(new Blob([localStorage.state], {type: "text/plain"}));
  var jsonTopSiteBlobURL = URL.createObjectURL(new Blob([localStorage.topSites], {type: "text/plain"}));
  var htmlBlobURL = URL.createObjectURL(new Blob([document.documentElement.outerHTML], {type: "text/plain"}));

  downloadBlob(date+"_state.json", jsonStateBlobURL);
  downloadBlob(date+"_topSites.json", jsonTopSiteBlobURL);
  downloadBlob(date+".html", htmlBlobURL);
}

// Bookmarklet
// Make a new bookmark, copy and paste the string below to the url field.
/*
javascript:if(window.location.toString() == "chrome-extension://chphlpgkkbolifaimnlloiipkdnihall/onetab.html"){function backup() {function downloadBlob(filename, blobUrl) {var element = document.createElement('a');element.setAttribute('href', blobUrl);element.setAttribute('download', filename);element.style.display = 'none';document.body.appendChild(element);element.click();document.body.removeChild(element);};var now = new Date();var date = "";date += now.getFullYear();date += ( (now.getMonth() + 1) < 10 ? "0" + (now.getMonth() + 1) : (now.getMonth() + 1) );date += (  now.getDate()       < 10 ? "0" + now.getDate() : now.getDate() );date += "_";date += ( now.getHours()   < 10 ? "0" + now.getHours()   : now.getHours() );date += ( now.getMinutes() < 10 ? "0" + now.getMinutes() : now.getMinutes() );var jsonStateBlobURL = URL.createObjectURL(new Blob([localStorage.state], {type: "text/plain"}));var jsonTopSiteBlobURL = URL.createObjectURL(new Blob([localStorage.topSites], {type: "text/plain"}));var htmlBlobURL = URL.createObjectURL(new Blob([document.documentElement.outerHTML], {type: "text/plain"}));downloadBlob(date+"_state.json", jsonStateBlobURL);downloadBlob(date+"_topSites.json", jsonTopSiteBlobURL);downloadBlob(date+".html", htmlBlobURL);}backup();}else{console.log("did nothing")};
*/

Call within the console