[Webkit-unassigned] [Bug 272677] New: Navigating a lazy-loading iframe before it has loaded should cancel the lazy load

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Mon Apr 15 07:38:28 PDT 2024


https://bugs.webkit.org/show_bug.cgi?id=272677

            Bug ID: 272677
           Summary: Navigating a lazy-loading iframe before it has loaded
                    should cancel the lazy load
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: DOM
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: zcorpan at gmail.com

Some websites expect that navigating a lazy-loading iframe (e.g. with location.replace) will cancel the lazy-load. Chromium cancels the lazy-load in such cases, but Gecko and WebKit did not. I've proposed a spec fix to match Chromium.

Demo: https://software.hixie.ch/utilities/js/live-dom-viewer/saved/12473

Spec issue: https://github.com/whatwg/html/issues/10213
Spec PR: https://github.com/whatwg/html/pull/10226
Tests: https://github.com/web-platform-tests/wpt/pull/45650

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