jquery uses document and window which attributes and methods summary _jquery

Document.activeelement

Gets the element for which the document currently has focus

Document.head

Use in jquery in the following ways Document.head | | document.getElementsByTagName ("Head") [0], visible not all browser support

Document.body

Get the htmlbodyelement element of the current document

Document.compatmode

Gets how the current document is rendered. return value: Backcompat (Quirk mode) and Css1compat (Standard mode).

Because IE 8 up to five rendering modes, it is necessary to determine whether the quirks mode requires the use of IE unique document.documentmode for additional testing

See this article http://www.jb51.net/article/21717.htm

Document.readysate

Returns the loading status of a document: Uninitialized,loading,loaded,interactive,complete All browsers support this property (FF3.6 above).

In standard browsers, normal HTML elements do not have this attribute (except opera's script tag).

The Ready function in jquery uses the complete state value to determine whether the DOM tree is loaded and completed

Document.documentelement

Returns the document root element (htmlhtmlelement)

Document.documentElement.currentStyle

IE unique method, get element style

Document.documentElement.contains ()

ie, used to determine whether a document contains a specified node element

Document.documentElement.compareDocumentPosition ()

Compares the current node to the document location of the specified node IE9 support this method

For specific information see http://www.jb51.net/article/28281.htm

Document.documentElement.doScroll ()

IE unique method, analog user scroll bar click; jquery uses this method to detect whether a DOM tree is available in IE6.

Non-IE can use obj.scrolltop+=10; The applicable elements are HTML, body, Div, span, textarea, etc.

For more information see http://msdn.microsoft.com/en-us/library/ms536414 (vs.85). aspx

Document.defaultview (Domwindow)

Returns the Window object associated with the current document or Null,ie 9 supports this property

Document.defaultView.getComputedStyle ()

Gets the element style information (not inline) and returns the style sheet object. The standard method of the consortium; IE corresponds to the Currentstyle property

Window.frameelement

Gets the host node IFRAME element of the current document

Window.location

Returns the URL information for the current document

Window.execscript ()

The Execscript function is the same as the Eval function, unlike the scope of the script after the Eval function is the current execution context, while execscript is always for the global scope.

The eval and Window.eval functions in IE are the same, and the script scope that Window.eval executes is also the current execution context.