Krasimir Tsonev has a great solution that overcome all problems. His method doesn't need using eval, so no performance nor security problems exist. It allows you to set innerHTML string contains html with js and translate it immediately to an DOM element while also executes the js parts exist along the code. short ,simple, and works exactly as you want.
Enjoy his solution:
http://krasimirtsonev.com/blog/article/Convert-HTML-string-to-DOM-element
Important notes: