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A method to request a DOM implementation.
"Experimental - subject to change"
- Parameters:
-
| features | A string that specifies which features are required. This is a space separated list in which each feature is specified by its name optionally followed by a space and a version number. This is something like: "XML 1.0 Traversal 2.0" |
- Returns:
- An implementation that has the desired features, or
null if this source has none.
- Since:
- DOM Level 3
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