Html5 Elements Css & Javascript Interaction In Ie8 And Below

I am experiencing some issues developing with html5 elements (NAV,SECTION,ARTICLE, etc) under IE8 and below. Simply said I cannot seem to do anything with these elements in javascr

Solution 1:

Use the html5shiv.

Solution 2:

Use the script downloaded at http://modernizr.com. You can access everything with JS and CSS.