Collapsers

Collapsers are expandable elements that hide page content until you trigger it open. We use collapsers to hide content in very long documents, out of consideration for our readers. Each collapser has a title (what we show to readers), but also an id that we use for deep "anchor" links to specific collapsers.

Here's an example collapser:

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The keyboard maestro macro for collapsers is kkcollapse.

Here are some examples of when to use collapsers in your document.

Collapsers are useful for...	Example
Long lists	Here are examples when you have a long list of definitions, such as configuration values, API calls, or parameters: Writing scripted browsers .NET agent configuration
Multiple options	Here's an example when you have multiple options, such as a procedure with steps that vary depending on your application environment: Collecting PMI metrics.
Large code blocks	Here's an example when you have a code block that is longer than about one screen height: Writing API tests.
Subdividing H2s	Here's an example when you want a cleaner substitute for `h3` tags when subdividing an `h2` header: Installing the PHP agent manually. Unlike an `h3`, collapsers allow users to see all the options within a section at a glance without having to scroll.

Create a collapser

To create a collapser, you'll need to use our collapser code.

Here's an example of the collapser source:

<CollapserGroup>
  <Collapser id="collapser-1" title="Collapser 1">
    This is our first example collapser.
  </Collapser>

  <Collapser id="collapser-2" title="Collapser 2">
    This is our second example collapser.
  </Collapser>
</CollapserGroup>;

Collapsers triggers

The site automatically opens collapsers in a few scenarios:

Arrive at an individual collapser via an anchor ID. For example, go directly to Collapser 1 in the example above.
Use CMD+F (or CTRL+F) to find in page and all the collapsers will open automatically.
Type the shortcut key s to show (open) all collapsers on the page.

Collapser 2

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Create a collapser .css-21sua1{background:none;border:none;width:0;padding:0;}

Collapsers triggers

Create a collapser