[Javascript] [Beginner] What is going on with my show/hide function?

[Aaron Bassett]

If you already have an answer your happy with ignore this but otherwise it
might help.

function toggleDisplay(id) {
    var el = document.getElementById(id);
    if(el.className == 'hidden') {
        el.className = '';
    } else {
        el.className = 'hidden';
    }
}

<div id='toHide'>My div content</div>
<a href='#' onclick="toggleDisplay('toHide'); return false;">Toggle
display</a>

You might want to perform a better check than just looking for an exact
match on the className, like prototype's Element.hasClassName but this is
just a quick sample to get you started.
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