Usage

Simply place the following code in the header area of collapsible tables to add left justified view/talk/edit link functionality: 

((Navbar-collapsible| Heading wikitext |((subst:FULLPAGENAME))))

Parameters

Mandatory

1
(the first unnamed parameter) Text that appears centered in the titlebar (the top bar).
2
(the second unnamed parameter) The name of the template, which is needed for the "
" links to work properly on all of the pages where the template is used on. You can use ((subst:FULLPAGENAME)) as a shortcut for this value.

Optional

plain
If set to plain=1 then
will be expanded to the longer form of
.
fontcolor
Specifies the title text color and the link color of the
.

See also

((Navbar))
This template transcludes navbar, the source is more customizable.
((Navbar-header))
Positions
on the right edge of the line, often used in non-collapsible navbox heading.

Make use of meta-template to reduce code bloat and simplify editing:

Navigation templates comparison
Template Collapsible Header color Image Groups Style (body)
parameter/s
((Navbox)) collapsible navbox Left/right of body Yes Yes
((Navbox with collapsible groups)) collapsible navbox Left/right of body and/or in each list Yes Yes
((Navbox with columns)) collapsible navbox Left/right of columns No Yes
Collapsible attributes
Type CSS classes JavaScript Collapses when Custom
initial state		 Nesting
Collapsible tables mw-collapsible Defined in Common.js 2 or more autocollapse on page Yes Yes
WP:TABLECOLLAPSE
Describes use of class="mw-collapsible mw-collapsed" &tc.


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