216307 2020-09-09 04:58:10 -0700 Uncaught Exception: TypeError: null is not an object (evaluating 'this.listItemElement.classList') 2020-09-25 10:42:31 -0700 1 1 1 Unclassified WebKit Web Inspector WebKit Nightly Build All All RESOLVED FIXED https://ionicframework.com/docs InRadar P2 Normal --- 1 graouts nvasilyev bburg ews-watchlist hi inspector-bugzilla-changes nvasilyev webkit-bug-importer oldest_to_newest 1686943 0 graouts 2020-09-09 04:58:10 -0700 Uncaught Exception in Web Inspector with a ToT build. Steps to Reproduce: 1. Go to https://ionicframework.com/docs and open the Web Inspector 2. In the iOS device on the right of the page, scroll down to "Modal" and click on that row 3. Click on the "Open Modal" button Uncaught Exceptions: ----------------------- - TypeError: null is not an object (evaluating 'this.listItemElement.classList') (at DOMTreeElement.js:1449:41) _nodeTitleInfo @ DOMTreeElement.js:1449:41 updateTitle @ DOMTreeElement.js:1314:55 _updateModifiedNodes @ DOMTreeUpdater.js:128:46 ? @ DOMTreeUpdater.js:53:34 _execute @ Debouncer.js:132:29 ? @ Debouncer.js:86:26 ----------------------- Notes: Inspected URL: https://ionicframework.com/docs Loading completed: true Frontend User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 11_0) AppleWebKit/605.1.15 (KHTML, like Gecko) 1686944 1 webkit-bug-importer 2020-09-09 04:58:26 -0700 <rdar://problem/68565824> 1691327 2 nvasilyev 2020-09-23 16:47:11 -0700 In 2016, there was a very similar uncaught exception: Bug 162123 - Uncaught Exception: null is not an object (evaluating 'this.listItemElement.classList') 1691710 3 409633 nvasilyev 2020-09-24 16:37:01 -0700 Created attachment 409633 Patch 1691711 4 nvasilyev 2020-09-24 16:37:38 -0700 (In reply to Nikita Vasilyev from comment #3) > Created attachment 409633 [details] > Patch This is essentially the same fix as in "Bug 162123 - Uncaught Exception: null is not an object (evaluating 'this.listItemElement.classList')" from 2016. 1691714 5 nvasilyev 2020-09-24 16:40:37 -0700 A couple of hours ago I was able to reproduce this on http://jsbin.testim.io/geg/11. However, I can't reproduce it on that page now :/ The steps from Antoine still work reliably. 1691933 6 409633 bburg 2020-09-25 10:26:31 -0700 Comment on attachment 409633 Patch r=me 1691938 7 ews-feeder 2020-09-25 10:42:31 -0700 Committed r267577: <https://trac.webkit.org/changeset/267577> All reviewed patches have been landed. Closing bug and clearing flags on attachment 409633. 409633 2020-09-24 16:37:01 -0700 2020-09-25 10:42:31 -0700 Patch patch.txt text/plain 1603 nvasilyev ZGlmZiAtLWdpdCBhL1NvdXJjZS9XZWJJbnNwZWN0b3JVSS9DaGFuZ2VMb2cgYi9Tb3VyY2UvV2Vi SW5zcGVjdG9yVUkvQ2hhbmdlTG9nCmluZGV4IDc3ZjI2MzA0NGEwYi4uMTFmM2FiMzNjMjgxIDEw MDY0NAotLS0gYS9Tb3VyY2UvV2ViSW5zcGVjdG9yVUkvQ2hhbmdlTG9nCisrKyBiL1NvdXJjZS9X ZWJJbnNwZWN0b3JVSS9DaGFuZ2VMb2cKQEAgLTEsMyArMSwxNSBAQAorMjAyMC0wOS0yNCAgTmlr aXRhIFZhc2lseWV2ICA8bnZhc2lseWV2QGFwcGxlLmNvbT4KKworICAgICAgICBVbmNhdWdodCBF eGNlcHRpb246IFR5cGVFcnJvcjogbnVsbCBpcyBub3QgYW4gb2JqZWN0IChldmFsdWF0aW5nICd0 aGlzLmxpc3RJdGVtRWxlbWVudC5jbGFzc0xpc3QnKQorICAgICAgICBodHRwczovL2J1Z3Mud2Vi a2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MjE2MzA3CisgICAgICAgIDxyZGFyOi8vcHJvYmxlbS82 ODU2NTgyND4KKworICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKworICAgICAg ICAqIFVzZXJJbnRlcmZhY2UvVmlld3MvRE9NVHJlZVVwZGF0ZXIuanM6CisgICAgICAgIChXSS5E T01UcmVlVXBkYXRlci5wcm90b3R5cGUuX3VwZGF0ZU1vZGlmaWVkTm9kZXMpOgorICAgICAgICBE b24ndCB1cGRhdGUgdGhlIGVsZW1lbnQgaWYgaXQgaGFzbid0IGJlZW4gYXR0YWNoZWQgeWV0LiBJ dCB3aWxsIHVzZSB0aGUgbGF0ZXN0IGRhdGEgd2hlbiBhdHRhY2hlZC4KKwogMjAyMC0wOS0yMiAg QnJpYW4gQnVyZyAgPGJidXJnQGFwcGxlLmNvbT4KIAogICAgICAgICBbQ29jb2FdIF9XS0luc3Bl Y3RvckRlbGVnYXRlIHNob3VsZCBoYW5kbGUgc2hvd2luZyBleHRlcm5hbCByZXNvdXJjZXMKZGlm ZiAtLWdpdCBhL1NvdXJjZS9XZWJJbnNwZWN0b3JVSS9Vc2VySW50ZXJmYWNlL1ZpZXdzL0RPTVRy ZWVVcGRhdGVyLmpzIGIvU291cmNlL1dlYkluc3BlY3RvclVJL1VzZXJJbnRlcmZhY2UvVmlld3Mv RE9NVHJlZVVwZGF0ZXIuanMKaW5kZXggYzI0NTVhNjYzZDU5Li5jNjAxNjg0NzVkMTUgMTAwNjQ0 Ci0tLSBhL1NvdXJjZS9XZWJJbnNwZWN0b3JVSS9Vc2VySW50ZXJmYWNlL1ZpZXdzL0RPTVRyZWVV cGRhdGVyLmpzCisrKyBiL1NvdXJjZS9XZWJJbnNwZWN0b3JVSS9Vc2VySW50ZXJmYWNlL1ZpZXdz L0RPTVRyZWVVcGRhdGVyLmpzCkBAIC0xMjQsNyArMTI0LDcgQEAgV0kuRE9NVHJlZVVwZGF0ZXIu cHJvdG90eXBlID0gewogICAgICAgICB0aGlzLl9yZWNlbnRseURlbGV0ZWROb2Rlcy5mb3JFYWNo KG1hcmtOb2RlUGFyZW50Rm9yVXBkYXRlKTsKIAogICAgICAgICBmb3IgKGxldCBwYXJlbnRUcmVl RWxlbWVudCBvZiBwYXJlbnRFbGVtZW50c1RvVXBkYXRlKSB7Ci0gICAgICAgICAgICBpZiAocGFy ZW50VHJlZUVsZW1lbnQudHJlZU91dGxpbmUpIHsKKyAgICAgICAgICAgIGlmIChwYXJlbnRUcmVl RWxlbWVudC50cmVlT3V0bGluZSAmJiBwYXJlbnRUcmVlRWxlbWVudC5saXN0SXRlbUVsZW1lbnQp IHsKICAgICAgICAgICAgICAgICBwYXJlbnRUcmVlRWxlbWVudC51cGRhdGVUaXRsZSgpOwogICAg ICAgICAgICAgICAgIHBhcmVudFRyZWVFbGVtZW50LnVwZGF0ZUNoaWxkcmVuKCk7CiAgICAgICAg ICAgICB9Cg==