[Webkit-unassigned] [Bug 197349] New: WKWebView browser back (history back) ，a white screen occurs

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=197349

            Bug ID: 197349
           Summary: WKWebView browser back (history back) ，a white screen
                    occurs
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: iOS 12
            Status: NEW
          Severity: Major
          Priority: P2
         Component: Layout and Rendering
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: will.wb at alibaba-inc.com
                CC: bfulgham at webkit.org, simon.fraser at apple.com,
                    zalan at apple.com

The WKWebView browser backs up the previous page, causing the page on the previous page to have no layout rendering and a white screen. Returning the WKWebView page to the previous page will not re-execute the script script, nor will it trigger the reload event. This may be due to the page management and caching mechanism of WKWebView, which causes the previous page to appear white screen and the layout is not successful.

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