is there javascript fortitude generating "table contents" page?

i have headers <h1> by <h6> tags. there proceed i javascript beget list essence contents serves anchor tags well?

i cost something like:

<ol>
    <li>header 1</li>
    <li>header 1</li>
        <li>header 2</li>
            <li>header 3</li>
</ol>

i am now controlling javascript framework, nonetheless i don't since i couldn't one.

i am also looking something done, given i'm guessing common problem, nonetheless not, starting indicate play possess good.