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adding a L.geoJson layer to the map is slow in IE with v0.7.7
See original GitHub issueAdding a new layer to the map object hangs the browser in IE10+. Depending on the complexity of the geometry it could be 10 seconds or over a minute. Seems related to #4061
Issue can be replicated by viewing the following in IE, (notice the lag when clicking on a polygon and new data is added to the map): http://clhenrick.github.io/fosi-test/
Reverting Leaflet to version 0.7.5 fixes the problem.
Below is a screenshot of IE11’s “UI Responsiveness” profile. I’m viewing on Browser Stack so can’t export the actual profile data. Note the abundance of document.createElement() & document.appendChild() calls.
Issue Analytics
- State:
- Created 7 years ago
- Comments:14 (6 by maintainers)
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https://github.com/davojta/Leaflet/commit/a545f38fab7dc0a857e09e459eb4a594c68480c3 This fix was working for us in 0.7.7 (revert touch detection from commit https://github.com/danzel/Leaflet/commit/4b289ab8071e480c182bb5df76bbfe0cac2a54e0) https://github.com/davojta/Leaflet/commits/stable_0_7_7_1_release - branch with fix
Ah I didn’t know that. I think I might just have to do that as Proj4Leaflet is very critical for R packages based around leaflet. Thanks again!