Implement HTMLDataElement#value
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Implement HTMLDataElement#value
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Added checks that selection is valid, and fix set_selection_range.
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Fixed range checking for text inputs. Included some `debug_assert!` statements to check that the selection range is always valid.
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indexed getter of form elements
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Added tests for formsubmitter methods
Fixes#11047.
I decided to add on to the other test since this test would have overlap with testing `encytype` from submitting with various different element.
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Issue #10574 Use the document base url in img
add a test with base path set to the resources path and an img with a cat and the reference directly to the image
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refs: https://github.com/servo/servo/issues/9269
and update HTMLTableElement.webidl
insertRow returns an HTMLTableRowElement and throws an IndexSizeError
sortable and stopSorting were removed.
