Cum schimb un value dintrun textbox dintr-o ferestra separata folosind js? Am incercat cu: var f=window.open('test.html'); f.document.getElementById('name').value='asd'; Dar primesc urmatoarea eroare [15:23:06.899] Empty string passed to getElementById(). [15:23:07.309] TypeError: f.document.getElementById(...) is null @