How would I generate a list of distinct HTML tags in a page using JavaScript (must work in IE6)

Question

The end result I\'m after is a JavaScript array containing a list of tag names that are used in the HTML document eg:

div, span, section, h1, h2, p, etc...

I wan

Answer 1

Get all tagnames in the document, unique, crossbrowser, plain js:

var els = document.getElementsByTagName('*'), tags = [], tmp = {}
for (var i=0;i

use

if (!(els[i].tagName in tmp) 
     && !/head/i.test(els[i].parentNode.tagName) 
     && !/html|head/i.test(els[i].tagName))

to exclude the