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Referencing the document Object

Referencing the document Object

The document object is referenced as a property of the window object. If you reference a document without specifying which window it is in, you get the current document. Each of the following examples references a document to get its title:

document.title          // Current document's title
window.document.title   // Same as above but explicitly references
                        // current window
myPlace.document.title  // Title of document in the window myPlace

The myPlace reference in this example must be a window reference returned by the open method or the name of a frame in the current frameset hierarchy.

Regardless of whether the current window contains a frameset or an HTML document, the document object is fully exposed. For security reasons, some properties may not be accessible across domains. For example, the contents of a document are accessible only to pages that share the document's domain.

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