Win 8.1/IE 11 getBoundingClientRect javascript rendering for ePub viewer

Issue #109679

Details

Created
Apr 27, 2014
Privacy
This issue is public.
Found in build #
0.0011
Reports
Reported by 0 people

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Steps to reproduce

Repro

Navigate to

http://iescratch-web/users/roshmiks/SlowGetBoundingClientRect.html

Look at message box that
shows Rectangle creation time.

Expected:

Chrome takes 0.3s

Actual:

IE takes 2.9s.

Summary

Underlying Cause

Spending too much time doing
layout.

Functions at the top of the
stack:

PageCollection::HandleDisplayOnlyChange

LayoutBox::HandleDisplayChange_Const

FlowBox::HandleChildDisoplayChangesAndAggregateBounds_Const

Conceptual Fix

Improve the underlying
algorithm

Cost of fixing

Unknown at this point

Cross-platform implications

Unknown at this point

Risk

Unknown at this point

Traces

\roshmik3\public\bugs\109679_getBoundingClientRect

Investigation

Link to investigation
 (Web view)

Attachments

0 attachments

    Comments and activity

    • Microsoft Edge Team

      Changed Assigned To to “Tobin T.”

      Changed Status to “Confirmed”

      Changed Status from “Confirmed” to “Won’t fix”

      Changed Assigned To to “Roshmik S.”

      Changed Assigned To from “Roshmik S.” to “Rob H.”

      Changed Status from “Won’t fix”

      Changed Assigned To from “Rob H.” to “Roshmik S.”

      Changed Status to “Confirmed”

      Changed Steps to Reproduce

      Changed Steps to Reproduce

      Changed Steps to Reproduce

      Changed Assigned To from “Roshmik S.” to “Todd R.”

      Changed Assigned To from “Todd R.” to “Roshmik S.”

      Changed Assigned To from “Roshmik S.” to “IPBS P.”

      Changed Status from “Confirmed”

      Changed Assigned To from “IPBS P.” to “Mike D.”

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