Collapsing Categories is a simple plugin that transforms how your categories appear on your homepage. It uses Javascript to dynamically expand or collapse the sets of posts for each categories.
Features
- Use Javascript to expand or collapse categories in sidebar area
Our Mini Review
Sometimes the best plugins are the simplest. I like plugins that see a small problem and then fix it in a simple and easy fashion. This is a great way to show off your posts by category. It extends the default category settings without becoming overly complex. And there are some nice touches – like changing the icon and choosing whether or not to use animation.
Rating: 
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I need exactly same but for the Admin panel in Add
New Post.
I want my word-press post be in specific category
like Country – State – City. But my list is
toooooo big so it causes the loading time so
higher.
I want to modify this category section like.
On the new post it only shows the country list
when I click on the country then it loads the
states for that parent country. And when I clicked
on the state then it loads the city list.
I search for the plugin which suits my requirement
but I fail If you know any plugin which help me
then please recommend me.
Or give me some suggestion how I make this king of
plugin from start.
Cheers!!!
Hey! I want to use this plugin, but does it work for hierarchical custom taxonomies, too?