Collapse supports multi-target thanks to @vanduynslagerp (#22713)

1 files changed, 30 insertions, 1 deletions

diff --git a/docs/4.0/components/collapse.md b/docs/4.0/components/collapse.md
index cbdc50bb7..e1d3e3b64 100644
--- a/docs/4.0/components/collapse.md
+++ b/docs/4.0/components/collapse.md
@@ -32,6 +32,35 @@ You can use a link with the `href` attribute, or a button with the `data-target`
 </div>
 {% endexample %}
 
+## Multiple triggers / targets
+
+A `<button>` or `<a>` can show and hide multiple elements by referencing them with a JQuery selector in its `href` or `data-target` attribute.
+Multiple `<button>` or `<a>` can  show and hide an element if they each reference it with their `href` or `data-target` attribute
+
+{% example html %}
+<p>
+  <a class="btn btn-primary" data-toggle="collapse" href="#multiCollapseExample1" aria-expanded="false" aria-controls="multiCollapseExample1">Toggle first element</a>
+  <button class="btn btn-primary" type="button" data-toggle="collapse" data-target="#multiCollapseExample2" aria-expanded="false" aria-controls="multiCollapseExample1">Toggle second element</button>
+  <button class="btn btn-primary" type="button" data-toggle="collapse" data-target=".multi-collapse" aria-expanded="false" aria-controls="multiCollapseExample1 multiCollapseExample2">Toggle both elements</button>
+</p>
+<div class="row">
+  <div class="col">
+    <div class="collapse multi-collapse" id="multiCollapseExample1">
+      <div class="card card-block">
+        Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident.
+      </div>
+    </div>
+  </div>
+  <div class="col">
+    <div class="collapse multi-collapse" id="multiCollapseExample2">
+      <div class="card card-block">
+        Anim pariatur cliche reprehenderit, enim eiusmod high life accusamus terry richardson ad squid. Nihil anim keffiyeh helvetica, craft beer labore wes anderson cred nesciunt sapiente ea proident.
+      </div>
+    </div>
+  </div>
+</div>
+{% endexample %}
+
 ## Accordion example
 
 Using the [card]({{ site.baseurl }}/docs/{{ site.docs_version }}/components/card/) component, you can extend the default collapse behavior to create an accordion.
@@ -129,7 +158,7 @@ These classes can be found in `_transitions.scss`.
 
 ### Via data attributes
 
-Just add `data-toggle="collapse"` and a `data-target` to the element to automatically assign control of a collapsible element. The `data-target` attribute accepts a CSS selector to apply the collapse to. Be sure to add the class `collapse` to the collapsible element. If you'd like it to default open, add the additional class `show`.
+Just add `data-toggle="collapse"` and a `data-target` to the element to automatically assign control of one or more collapsible elements. The `data-target` attribute accepts a CSS selector to apply the collapse to. Be sure to add the class `collapse` to the collapsible element. If you'd like it to default open, add the additional class `show`.
 
 To add accordion-like group management to a collapsible area, add the data attribute `data-parent="#selector"`. Refer to the demo to see this in action.