gecko-dev/dom/xslt/tests/buster/DumpDOM.js

86 строки
2.2 KiB
JavaScript

// ----------------------
// DumpDOM(node)
//
// Call this function to dump the contents of the DOM starting at the specified node.
// Use node = document.documentElement to dump every element of the current document.
// Use node = top.window.document.documentElement to dump every element.
//
// 8-13-99 Updated to dump almost all attributes of every node. There are still some attributes
// that are purposely skipped to make it more readable.
// ----------------------
function DumpDOM(node)
{
dump("--------------------- DumpDOM ---------------------\n");
DumpNodeAndChildren(node, "");
dump("------------------- End DumpDOM -------------------\n");
}
// This function does the work of DumpDOM by recursively calling itself to explore the tree
function DumpNodeAndChildren(node, prefix)
{
dump(prefix + "<" + node.nodeName);
var attributes = node.attributes;
if ( attributes && attributes.length )
{
var item, name, value;
for ( var index = 0; index < attributes.length; index++ )
{
item = attributes.item(index);
name = item.nodeName;
value = item.nodeValue;
if ( (name == 'lazycontent' && value == 'true') ||
(name == 'xulcontentsgenerated' && value == 'true') ||
(name == 'id') ||
(name == 'instanceOf') )
{
// ignore these
}
else
{
dump(" " + name + "=\"" + value + "\"");
}
}
}
if ( node.nodeType == 1 )
{
// id
var text = node.getAttribute('id');
if ( text && text[0] != '$' )
dump(" id=\"" + text + "\"");
}
if ( node.nodeType == Node.TEXT_NODE )
dump(" = \"" + node.data + "\"");
dump(">\n");
// dump IFRAME && FRAME DOM
if ( node.nodeName == "IFRAME" || node.nodeName == "FRAME" )
{
if ( node.name )
{
var wind = top.frames[node.name];
if ( wind && wind.document && wind.document.documentElement )
{
dump(prefix + "----------- " + node.nodeName + " -----------\n");
DumpNodeAndChildren(wind.document.documentElement, prefix + " ");
dump(prefix + "--------- End " + node.nodeName + " ---------\n");
}
}
}
// children of nodes (other than frames)
else if ( node.childNodes )
{
for ( var child = 0; child < node.childNodes.length; child++ )
DumpNodeAndChildren(node.childNodes[child], prefix + " ");
}
}