837074 - Don't have separate synthetic and automatically loaded about:blank documents

Status: RESOLVED DUPLICATE of bug 543435

(Core :: DOM: Core & HTML, defect)

Description

[Thomas Fischer]

User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:18.0) Gecko/20100101 Firefox/18.0
Build ID: 20130116073211

Steps to reproduce:

document.body.appendChild(
  document.createElement("iframe")
);
win = frames[frames.length - 1];
docA = win.document;
setTimeout(function(){
  docB = win.document;
  console.log("still same doc:", docA === docB);
}, 1000);




Actual results:

Console output:

  still same doc: false


Expected results:

like in Chrome, Opera, Safari,  IE the console output should be:

  still same doc: true

Comment 1

[Boris Zbarsky [:bzbarsky]]

docA is the synthetic about:blank; docB is the about:blank that the iframe actually loads.

There's an existing bug about not having a docB in this case.