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ladybird/Libraries/LibWeb/DOM
History
Andreas Kling 31ffb2f214 LibWeb: Use the id cache for document element get_element_by_id() 
ParentNode::get_element_by_id() only used the cached id-to-element map
when called on a document or shadow root; on any element it fell back
to a linear walk of the subtree. The document element's inclusive
subtree contains every element in the document, so the document's
cache gives the same answer.

This matters because SVGSVGElement::children_changed() resolves the
document URL fragment with get_element_by_id() on itself whenever the
document URL has a fragment. SVG sprite sheets are typically fetched
via URLs like sprite.svg#icon-name, and the sprite's outermost svg
element is its document element, so every child appended during
parsing rescanned the growing document. These lookups were 2.3% of
all CPU samples when loading chatgpt.com.
2026-06-11 15:28:59 +02:00
..
AbortController.cpp LibWeb: Unify WebIDL C++ type generation 2026-05-23 18:26:12 +02:00
AbortController.h LibWeb: Unify WebIDL C++ type generation 2026-05-23 18:26:12 +02:00
AbortController.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
AbortSignal.cpp LibWeb: Unify WebIDL C++ type generation 2026-05-23 18:26:12 +02:00
AbortSignal.h LibWeb: Unify WebIDL C++ type generation 2026-05-23 18:26:12 +02:00
AbortSignal.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
AbstractElement.cpp LibWeb: Store custom property names as UTF-16 2026-06-09 11:48:02 +02:00
AbstractElement.h LibWeb: Store custom property names as UTF-16 2026-06-09 11:48:02 +02:00
AbstractRange.cpp LibWeb/Bindings: Emit one bindings header and cpp per IDL 2026-04-21 07:36:13 +02:00
AbstractRange.h LibWeb: Only clear command states and values if range actually changed 2025-01-24 23:53:26 +01:00
AbstractRange.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
AccessibilityTreeNode.cpp LibWeb/DOM: Set missing JSON attributes for a11y text nodes 2025-10-20 10:51:19 +01:00
AccessibilityTreeNode.h AK+LibWeb: Reduce recompilation impact of DOM/Node.h 2026-02-11 20:02:28 +01:00
AdoptedStyleSheets.cpp LibWeb: Move adopted stylesheet invalidation into a helper 2026-04-29 15:47:23 +02:00
AdoptedStyleSheets.h LibWeb: Enable EXPLICIT_SYMBOL_EXPORT 2025-08-23 16:04:36 -06:00
AnchorNameMap.cpp LibWeb: Keep track of elements with an anchor-name set 2026-04-01 19:41:46 +01:00
AnchorNameMap.h LibWeb: Keep track of elements with an anchor-name set 2026-04-01 19:41:46 +01:00
Attr.cpp LibGC: Default-construct RootVector from the global heap 2026-05-20 20:37:55 +02:00
Attr.h LibWeb: Remove unnecessary lowercase name property from Attr 2025-11-10 22:55:38 +01:00
Attr.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
CaretPosition.cpp LibWeb: Expose document caretPositionFromPoint 2026-05-30 13:50:48 +02:00
CaretPosition.h LibWeb: Expose document caretPositionFromPoint 2026-05-30 13:50:48 +02:00
CaretPosition.idl LibWeb: Expose document caretPositionFromPoint 2026-05-30 13:50:48 +02:00
CDATASection.cpp LibWeb/Bindings: Emit one bindings header and cpp per IDL 2026-04-21 07:36:13 +02:00
CDATASection.h LibWeb+LibUnicode+WebContent: Port DOM:CharacterData to UTF-16 2025-07-24 19:00:20 +02:00
CDATASection.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
CharacterData.cpp LibWeb: Invalidate layout tree of parent when replacing CharacterData 2026-06-02 11:09:52 +01:00
CharacterData.h LibWeb: Account text and image storage as external memory 2026-05-07 10:03:09 +02:00
CharacterData.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
ChildNode.h LibWeb: Unify WebIDL C++ type generation 2026-05-23 18:26:12 +02:00
ChildNode.idl LibWeb: Remove some outdated #import related FIXMEs 2026-05-03 10:56:45 +02:00
Comment.cpp LibWeb/Bindings: Emit one bindings header and cpp per IDL 2026-04-21 07:36:13 +02:00
Comment.h LibWeb+LibUnicode+WebContent: Port DOM:CharacterData to UTF-16 2025-07-24 19:00:20 +02:00
Comment.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
CustomEvent.cpp LibWeb/Bindings: Generate struct definitions from IDL dictionaries 2026-05-09 10:49:49 +02:00
CustomEvent.h LibWeb/Bindings: Generate struct definitions from IDL dictionaries 2026-05-09 10:49:49 +02:00
CustomEvent.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
Document.cpp LibWeb: Track connected SVG use elements in a per-document list 2026-06-11 15:28:59 +02:00
Document.h LibWeb: Track connected SVG use elements in a per-document list 2026-06-11 15:28:59 +02:00
Document.idl LibWeb: Expose document caretPositionFromPoint 2026-05-30 13:50:48 +02:00
DocumentFragment.cpp LibWeb/Bindings: Emit one bindings header and cpp per IDL 2026-04-21 07:36:13 +02:00
DocumentFragment.h LibWeb: Enable EXPLICIT_SYMBOL_EXPORT 2025-08-23 16:04:36 -06:00
DocumentFragment.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
DocumentLoadEventDelayer.cpp LibWeb: Save weak pointer to document in DocumentLoadEventDelayer 2025-12-24 10:19:28 +01:00
DocumentLoadEventDelayer.h LibWeb: Save weak pointer to document in DocumentLoadEventDelayer 2025-12-24 10:19:28 +01:00
DocumentLoading.cpp LibGfx: Split image decoders into a separate library 2026-06-10 11:55:48 +02:00
DocumentLoading.h LibWeb: Connect iframe referrerpolicy to ancestorOrigins 2026-06-11 14:25:27 +01:00
DocumentObserver.cpp LibWeb/DOM: Support changing document to observe in DocumentObserver 2025-06-24 09:56:14 +02:00
DocumentObserver.h LibWeb: Give IDL exposed PlatformObjects an InterfaceName 2026-02-14 20:22:40 +01:00
DocumentOrShadowRoot.h LibWeb/Bindings: Generate struct definitions from IDL dictionaries 2026-05-09 10:49:49 +02:00
DocumentOrShadowRoot.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
DocumentType.cpp LibWeb/Bindings: Emit one bindings header and cpp per IDL 2026-04-21 07:36:13 +02:00
DocumentType.h Utilities: Add dump-html-tree 2026-05-17 15:35:56 +02:00
DocumentType.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
DOMEventListener.cpp
DOMEventListener.h LibWeb: Correctly implement event listeners default passive attribute 2024-12-25 14:57:22 +00:00
DOMImplementation.cpp LibWeb/Bindings: Generate struct definitions from IDL dictionaries 2026-05-09 10:49:49 +02:00
DOMImplementation.h LibWeb: Remove Document.h include from DOMParser.h, DOMImplementation.h 2026-02-08 18:51:13 +01:00
DOMImplementation.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
DOMTokenList.cpp Meta: Enable exit-time destructor warnings for libraries 2026-06-04 19:20:49 +02:00
DOMTokenList.h LibWeb: Account DOM state as external memory 2026-05-07 10:03:09 +02:00
DOMTokenList.idl
EditingHostManager.cpp LibWeb: Do not scroll cursor into view on programmatic selection changes 2026-02-17 10:24:00 +01:00
EditingHostManager.h LibWeb: Send InputEvent with right .inputType on insert and delete 2026-01-29 15:08:06 +01:00
Element.cpp LibWeb: Avoid sibling walks for last-child invalidation 2026-06-08 17:16:18 +02:00
Element.h LibWeb: Make layout nodes refcounted 2026-06-07 20:52:49 +02:00
Element.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
ElementByIdMap.cpp LibWeb: Lazify ElementByIdMap resolution and cache first element 2026-02-21 13:56:00 +01:00
ElementByIdMap.h LibWeb: Lazify ElementByIdMap resolution and cache first element 2026-02-21 13:56:00 +01:00
ElementFactory.cpp LibWeb: Implement scoped custom element registries 2026-03-27 19:49:55 +00:00
ElementFactory.h LibWeb: Implement scoped custom element registries 2026-03-27 19:49:55 +00:00
Event.cpp LibWeb/Bindings: Generate struct definitions from IDL dictionaries 2026-05-09 10:49:49 +02:00
Event.h LibWeb/Bindings: Generate struct definitions from IDL dictionaries 2026-05-09 10:49:49 +02:00
Event.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
EventDispatcher.cpp LibWeb: Deal with legacy event types for event dispatch optimization 2026-05-31 19:50:58 +02:00
EventDispatcher.h
EventHandler.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
EventListener.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
EventTarget.cpp LibWeb: Preserve inline handler ordering after parse failure 2026-06-06 19:18:11 +02:00
EventTarget.h LibWeb: Avoid GC::Root churn in wheel listener checks 2026-05-15 17:25:10 +02:00
EventTarget.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
FragmentSerializationMode.h AK+LibWeb: Reduce recompilation impact of DOM/Node.h 2026-02-11 20:02:28 +01:00
HoverEventData.h LibWeb: Populate platform mouse event data 2026-05-19 11:22:02 +02:00
HTMLCollection.cpp LibWeb: Fix use-after-free in live-collection filter captures 2026-06-07 22:16:33 +02:00
HTMLCollection.h LibWeb: Implement the required virtual owner_cell() on HTMLCollection 2026-05-14 13:27:56 +01:00
HTMLCollection.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
IDLEventListener.cpp
IDLEventListener.h LibWeb/Bindings: Generate struct definitions from IDL dictionaries 2026-05-09 10:49:49 +02:00
InputEventsTarget.h LibWeb: Send InputEvent with right .inputType on insert and delete 2026-01-29 15:08:06 +01:00
LiveNodeList.cpp LibWeb: Fix use-after-free in live-collection filter captures 2026-06-07 22:16:33 +02:00
LiveNodeList.h LibWeb: Give IDL exposed PlatformObjects an InterfaceName 2026-02-14 20:22:40 +01:00
MutationObserver.cpp LibWeb/Bindings: Generate struct definitions from IDL dictionaries 2026-05-09 10:49:49 +02:00
MutationObserver.h LibWeb/Bindings: Generate struct definitions from IDL dictionaries 2026-05-09 10:49:49 +02:00
MutationObserver.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
MutationRecord.cpp LibWeb/Bindings: Emit one bindings header and cpp per IDL 2026-04-21 07:36:13 +02:00
MutationRecord.h
MutationRecord.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
MutationType.cpp Meta: Enable exit-time destructor warnings for libraries 2026-06-04 19:20:49 +02:00
MutationType.h Meta: Enable exit-time destructor warnings for libraries 2026-06-04 19:20:49 +02:00
NamedNodeMap.cpp LibWeb: Stop retaining fragment-parsing documents after adoption 2026-05-21 08:56:41 +02:00
NamedNodeMap.h LibWeb: Stop retaining fragment-parsing documents after adoption 2026-05-21 08:56:41 +02:00
NamedNodeMap.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
Node.cpp LibWeb: Make layout nodes refcounted 2026-06-07 20:52:49 +02:00
Node.h LibWeb: Make layout nodes refcounted 2026-06-07 20:52:49 +02:00
Node.idl LibWeb/DOM: Remove unnecessary LegacyNullToEmptyString usage 2026-06-05 20:23:24 +02:00
NodeFilter.cpp LibWeb/Bindings: Emit one bindings header and cpp per IDL 2026-04-21 07:36:13 +02:00
NodeFilter.h LibWeb/Bindings: Implement callback interface object bindings 2026-03-11 21:16:44 +01:00
NodeFilter.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
NodeIterator.cpp LibWeb/Bindings: Emit one bindings header and cpp per IDL 2026-04-21 07:36:13 +02:00
NodeIterator.h LibWeb/Bindings: Implement callback interface object bindings 2026-03-11 21:16:44 +01:00
NodeIterator.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
NodeList.cpp LibWeb/Bindings: Emit one bindings header and cpp per IDL 2026-04-21 07:36:13 +02:00
NodeList.h LibWeb: Enable EXPLICIT_SYMBOL_EXPORT 2025-08-23 16:04:36 -06:00
NodeList.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
NodeOperations.cpp LibWeb: Unify WebIDL C++ type generation 2026-05-23 18:26:12 +02:00
NodeOperations.h LibWeb: Unify WebIDL C++ type generation 2026-05-23 18:26:12 +02:00
NodeType.h LibWeb: Move DOM::NodeType to its own file 2025-02-19 08:45:51 -05:00
NonDocumentTypeChildNode.h AK+Everywhere: Rename verify_cast to as 2025-01-21 11:34:06 -05:00
ParentNode.cpp LibWeb: Use the id cache for document element get_element_by_id() 2026-06-11 15:28:59 +02:00
ParentNode.h LibWeb: Avoid sibling walks for last-child invalidation 2026-06-08 17:16:18 +02:00
ParentNode.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
Position.cpp LibWeb: Make DOM::Position's node mandatory 2025-08-20 12:25:00 +01:00
Position.h AK+LibWeb: Reduce recompilation impact of DOM/Node.h 2026-02-11 20:02:28 +01:00
ProcessingInstruction.cpp LibWeb/Bindings: Emit one bindings header and cpp per IDL 2026-04-21 07:36:13 +02:00
ProcessingInstruction.h LibWeb+LibUnicode+WebContent: Port DOM:CharacterData to UTF-16 2025-07-24 19:00:20 +02:00
ProcessingInstruction.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
PseudoElement.cpp LibWeb: Make layout nodes refcounted 2026-06-07 20:52:49 +02:00
PseudoElement.h LibWeb: Make layout nodes refcounted 2026-06-07 20:52:49 +02:00
QualifiedName.cpp Meta: Enable exit-time destructor warnings for libraries 2026-06-04 19:20:49 +02:00
QualifiedName.h LibWeb: Enable EXPLICIT_SYMBOL_EXPORT 2025-08-23 16:04:36 -06:00
Range.cpp LibWeb: Handle Range rects starting after last child 2026-06-08 01:04:08 +02:00
Range.h LibGC+ClangPlugins: Forbid non-trivial destructors in Cell subclasses 2026-01-30 20:57:42 +01:00
Range.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
RequestFullscreenError.h LibWeb: Move RequestFullscreenError out of Element.h 2026-03-17 18:58:37 -05:00
SelectionchangeEventDispatching.h LibWeb+LibWebView+UI: Update the selection keyboard on selection changes 2026-05-27 13:33:44 -04:00
ShadowRoot.cpp LibWeb/Bindings: Generate struct definitions from IDL dictionaries 2026-05-09 10:49:49 +02:00
ShadowRoot.h LibWeb/Bindings: Generate struct definitions from IDL dictionaries 2026-05-09 10:49:49 +02:00
ShadowRoot.idl LibWeb: Align declarative shadow root parsing 2026-05-17 15:35:56 +02:00
Slot.cpp LibJS+LibWeb: Use the unified Visitor for Variant-holding members 2026-05-15 08:51:17 +02:00
Slot.h LibWeb: Store slot name as a FlyString 2026-01-31 11:44:20 +01:00
SlotRegistry.cpp LibWeb: Avoid subtree iteration when assigning slottables 2026-01-31 11:44:20 +01:00
SlotRegistry.h LibWeb: Avoid subtree iteration when assigning slottables 2026-01-31 11:44:20 +01:00
Slottable.cpp LibWeb: Move slotted style invalidation into a helper 2026-04-29 15:47:23 +02:00
Slottable.h LibWeb: Avoid dynamic_cast in SlottableMixin::assigned_slot() 2026-02-07 16:43:50 +01:00
Slottable.idl LibWeb: Remove some outdated #import related FIXMEs 2026-05-03 10:56:45 +02:00
StaticNodeList.cpp LibWeb: Account DOM state as external memory 2026-05-07 10:03:09 +02:00
StaticNodeList.h LibWeb: Account DOM state as external memory 2026-05-07 10:03:09 +02:00
StaticRange.cpp LibWeb/Bindings: Generate struct definitions from IDL dictionaries 2026-05-09 10:49:49 +02:00
StaticRange.h LibWeb/Bindings: Generate struct definitions from IDL dictionaries 2026-05-09 10:49:49 +02:00
StaticRange.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
StyleElementBase.cpp LibWeb/DOM: Evaluate style media for script blocking 2026-06-04 16:39:54 +01:00
StyleElementBase.h LibWeb: Transfer load delayers when elements are adopted 2026-06-11 00:34:12 +02:00
StyleInvalidationReason.h LibWeb: Invalidate style when form control validity changes 2026-06-08 19:28:37 +02:00
Text.cpp LibWeb/Bindings: Emit one bindings header and cpp per IDL 2026-04-21 07:36:13 +02:00
Text.h LibWeb: Avoid dynamic_cast in SlottableMixin::assigned_slot() 2026-02-07 16:43:50 +01:00
Text.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
TreeWalker.cpp LibWeb/Bindings: Emit one bindings header and cpp per IDL 2026-04-21 07:36:13 +02:00
TreeWalker.h LibWeb/Bindings: Implement callback interface object bindings 2026-03-11 21:16:44 +01:00
TreeWalker.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00
Utils.cpp LibWeb: Replace is<T> + as<T> with as_if<T> 2026-03-10 15:17:51 +01:00
Utils.h
ViewportClient.h LibWeb: Reduce recompilation impact of DOM/Document.h 2026-02-11 20:02:28 +01:00
XMLDocument.cpp LibWeb/Bindings: Emit one bindings header and cpp per IDL 2026-04-21 07:36:13 +02:00
XMLDocument.h Everywhere: Use URL::about_XXX factory functions 2025-02-15 17:05:55 +00:00
XMLDocument.idl LibWeb+LibIDL: Remove support for #import directives during parsing 2026-04-24 20:08:29 +02:00