Slide 11

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# Reasons for DOM Ugliness

- ## Had to be backwards compatible with unplanned object models in third generation web browsers.

- ## Designed by a committee trying to reconcile differences between the object models implemented by Netscape, Microsoft, and other vendors.

- ## A cross-language API defined in IDL

- ## Needed to support weak scripting languages like JavaScript and AppleScript

- ## Must work for both HTML and XML.