DOM and Script

script

1.DOM object in js
Windows object, the biggest object.
Screen,Navigaor,Location,History
2.document.frames[0]
document.frames[1]
return the frame of the Document.

(to be continued)

 

webkit

1.HTMLDocumentPareser's membership

OwnPtr<HTMLTokenizer> m_tokenizer;
OwnPtr<HTMLScriptRunner> m_scriptRunner;
OwnPtr<HTMLTreeBuilder> m_treeBuilder;
OwnPtr<HTMLPreloadScanner> m_preloadScanner;
OwnPtr<HTMLParserScheduler> m_parserScheduler;
2.Script Parese call stack
a.HTMLDocumentParser::runScriptsForPausedTreeBuilder
b.HTMLScriptRunner::execute
c.HTMLScriptRunner::runScript
d.ScriptElement::executeScript
e.ScriptController::executeScript
3.Frame has a ScriptController
Frame will pass itself to the ScriptController.

//current it will be js or V8.

(to be continued)