RESOLVED FIXED 194280
Web Inspector: Uncaught Exception: undefined is not an object (evaluating 'classes.includes') 
https://bugs.webkit.org/show_bug.cgi?id=194280
Summary Web Inspector: Uncaught Exception: undefined is not an object (evaluating 'cl...
Devin Rousso
Reported 2019-02-04 23:11:19 PST
------- Inspected URL: file:///Volumes/DATA/Build/Release/WebInspectorUI.framework/Resources/Main.html Loading completed: true Frontend User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_4) AppleWebKit/605.1.15 (KHTML, like Gecko) Dispatch Source: Protocol Event Protocol Event: {"method":"DOM.attributeRemoved","params":{"nodeId":342,"name":"class"}} Uncaught Exceptions: - undefined is not an object (evaluating 'classes.includes') (at GeneralStyleDetailsSidebarPanel.js:373:37) _populateClassToggles @ GeneralStyleDetailsSidebarPanel.js:373:37 _handleNodeAttributeRemoved @ GeneralStyleDetailsSidebarPanel.js:309:39 dispatch @ Object.js:165:30 dispatchEventToListeners @ Object.js:172:17 _attributeRemoved @ DOMManager.js:225:38 attributeRemoved @ DOMObserver.js:52:40 dispatchEvent @ InspectorBackend.js:340:42 _dispatchEvent @ Connection.js:195:32 dispatch @ Connection.js:72:32 dispatchMessageFromTarget @ TargetManager.js:101:35 dispatchMessageFromTarget @ TargetObserver.js:42:51 dispatchEvent @ InspectorBackend.js:340:42 _dispatchEvent @ Connection.js:195:32 dispatch @ Connection.js:72:32 dispatch @ InspectorBackend.js:178:52 dispatchNextQueuedMessageFromBackend @ MessageDispatcher.js:42:34 Additional Details: cause --> An uncaught exception was thrown while handling event: DOM.attributeRemoved ------- * STEPS TO REPRODUCE 1. open inspector2 2. right click on the "class" attribute of <body> in the DOM tree 3. select Delete > Attribute
Attachments
Patch (1.91 KB, patch)
2019-02-04 23:13 PST, Devin Rousso 		no flags
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Radar WebKit Bug Importer
Comment 1 2019-02-04 23:11:57 PST
<rdar://problem/47811159>
Devin Rousso
Comment 2 2019-02-04 23:13:57 PST
Created attachment 361162 [details] Patch
Matt Baker
Comment 3 2019-02-04 23:23:25 PST
Comment on attachment 361162 [details] Patch rs=me
WebKit Commit Bot
Comment 4 2019-02-04 23:48:16 PST
Comment on attachment 361162 [details] Patch Clearing flags on attachment: 361162 Committed r240967: <https://trac.webkit.org/changeset/240967>
WebKit Commit Bot
Comment 5 2019-02-04 23:48:17 PST
All reviewed patches have been landed. Closing bug.
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