Comments (1)
Thanks for bringing this up, I did not expect the jQueryUI widget _trigger
method to be that slow.
Performance is always an important issue, and there are already some benchmarks
http://wwwendt.de/tech/fancytree/test/unit/test-bench.html
I added a test case for _trigger:
10000 createNode DOM events (widget._trigger()) took 294 milliseconds, 34,014 items/sec
10000 createNode callback events (options.createNode() defined) took 5 milliseconds, 2,000,000 items/sec
10000 createNode callback events (options.createNode() undefined) took 4 milliseconds, 2,500,000 items/sec
I think I will replace the _trigger call with a direct function call options.createNode
,
as the execution time becomes neglectable.
The drawback is, that no additional DOM event is fired that a user can bind("fancytreecreatenode")
to.
As to your other remarks:
The render function should add the elements to the DOM in one final step, hence the comment
// Finally add the whole structure to the DOM, so the browser can render
at least that was the plan. I will check again.
The table extension
already uses createDocumentFragment
. Maybe that will also help to improve performance for the standard renderer.
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