DOM's appendChild() appears to be very slow

Thu, 26 Oct 2006 12:35:31 -0700

  • I am creating graph with about 200 nodes and more. My node is represented by not more than 5 DOM Objects (2 rects, image, text)
    and many class members (non-DOM objects: arraylists, Strings etc.) Branch is also made of not more than 5 DOM objects. I also need some additional DOM objects to create graph.
  • When i create graph with about 50 nodes (or 500-1000 DOM objects on document) speed is not an issue, but when I create graph with about 3000-4000 DOM objects (200 nodes and branches and etc.) execution speed becomes an issue (it is created about 30sec).
  • I've done some measures and concluded that DOM's appendChild() function works very very slowly (BUT only when appending on DOM tree that is part of root element of JSVGCanvas's document - appendChild works fine when appending to DOM object that is not yet part of DOM tree). Is there a way to increase speed of creating DOM tree ?
  • Details: I use JSVGCanvas's update manager to update DOM view (and create graph).
    View this message in context: DOM's appendChild() appears to be very slow
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