From FCKeditor Docs
Script Block
window.onload = function()
{
var repetitions = 1000 ;
var t = new Date() ;
for ( var i = 0 ; i < repetitions ; i++ )
PureDom() ;
t = ( ( new Date ) - t ) ;
var html = '<p>Pure DOM: ' + t + ' ms.</p>' ;
t = new Date() ;
for ( var i = 0 ; i < repetitions ; i++ )
DomAbstraction() ;
t = ( ( new Date ) - t ) ;
html += '<p>DOM Abstraction: ' + t + ' ms.</p>' ;
document.body.innerHTML = html ;
}
function PureDom()
{
var p = ( document.parentWindow || document.defaultView ).document.body.firstChild ;
// var p = document.body.firstChild ;
var current = p.firstChild ;
var name ;
while ( current )
{
if ( current.nodeType == 1 )
{
name = current.nodeName.toLowerCase() ;
name = current.ownerDocument.body.firstChild.nodeName.toLowerCase() ;
}
else if ( current.nodeType == 3 )
name = current.nodeValue ;
current = current.nextSibling ;
}
}
function DomAbstraction()
{
var p = (new DOM.Document(document)).getWindow().getDocument().getBody().getFirst() ;
// var p = new DOM.Element(document.body.firstChild) ;
var current = p.getFirst() ;
var name ;
while ( current )
{
if ( current.isElement )
{
name = current.getName() ;
name = current.getDocument().getBody().getFirst().getName() ;
}
else if ( current.isText )
name = current.getText() ;
current = current.getNext() ;
}
}
var DOM =
{
Window : (function()
{
var classImpl = function( domWindow )
{
this._W = domWindow ;
}
classImpl.prototype =
{
getDocument : function()
{
return this._document || ( this._document = new DOM.Document( this._W.document ) ) ;
}
}
return classImpl ;
})(),
Document : (function()
{
var classImpl = function( domDocument )
{
this._D = domDocument ;
}
classImpl.prototype =
{
getWindow : function()
{
return this._window || ( this._window = new DOM.Window( this._D.parentWindow || this._D.defaultView ) ) ;
},
getBody : function()
{
return this._body || ( this._body = new DOM.Element( this._D.body ) ) ;
}
}
return classImpl ;
})(),
Element : (function()
{
var classImpl = function( domElement )
{
this._E = domElement ;
}
classImpl.prototype =
{
isElement : true,
getDocument : function()
{
return this._document || ( this._document = new DOM.Document( this._E.ownerDocument ) ) ;
},
getFirst : function()
{
return DOM.getNode( this._E.firstChild ) ;
},
getNext : function()
{
return DOM.getNode( this._E.nextSibling ) ;
},
getName : function()
{
return this._name || ( this._name = this._E.nodeName.toLowerCase() ) ;
}
}
return classImpl ;
})(),
Text : (function()
{
var classImpl = function( domTextNode )
{
this._T = domTextNode ;
}
classImpl.prototype =
{
isText : true,
getNext : function()
{
return DOM.getNode( this._T.nextSibling ) ;
},
getText : function()
{
return this._T.nodeValue ;
}
}
return classImpl ;
})(),
getNode : function( domNode )
{
if ( domNode )
{
if ( domNode.nodeType == 1 )
return new DOM.Element( domNode ) ;
else
return new DOM.Text( domNode ) ;
}
return null ;
}
}
Body Contents
<body><p>This is <b>some</b> sample <i>text</i>.</p></body>
