Is it possible to determine if Chrome is in incognito mode via a user-script?

Question

I asked this question before but didn\'t make it clear that I meant in user script, not in JavaScript from a webpage.So I\'ll be more clear now.

Is it possible to de

Answer 1

To detect whether a window is in incognito mode, check the incognito property of the relevant Tab or Window object. For example:

var bgPage = chrome.extension.getBackgroundPage();

function saveTabData(tab, data) {
  if (tab.incognito) {
    bgPage[tab.url] = data;       // Persist data ONLY in memory
  } else {
    localStorage[tab.url] = data; // OK to store data
}

http://code.google.com/chrome/extensions/overview.html