Events: ("Advanced Control" is a web browser add-on)

Add-on has a number of reserved keywords (function names). These words come in two types: JScript/VBScript reserved keywords and callback functions. Addon will called the callback function for each Internet Explorer event: BeforeNavigate, NavigateComplete, StatusTextChange, ProgressChange, DownloadComplete, CommandStateChange, DownloadBegin, NewWindow, TitleChange, FrameBeforeNavigate, FrameNavigateComplete, FrameNewWindow, Quit, WindowMove, WindowResize, WindowActivate, PropertyChange, BeforeNavigate2, NewWindow2, NavigateComplete2, DocumentComplete, OnQuit, OnVisible, OnToolBar, OnMenuBar, OnStatusBar, OnFullScreen, OnTheaterMode, WindowSetResizable, WindowSetLeft, WindowSetTop, WindowSetWidth, WindowSetHeight, WindowClosing, ClientToHostWindow, SetSecureLockIcon, FileDownload, NavigateError, PrintTemplateInstantiation, PrintTemplateTeardown, UpdatePageStatus, PrivacyImpactedStateChange, NewWindow3 .

// JScript
function DocumentComplete() {
  document.body.onload = MyHandler;   // The page event
};

function MyHandler() {
  window.alert("OnLoad");
};

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