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----
-stage: none
-group: unassigned
-info: To determine the technical writer assigned to the Stage/Group associated with this page, see https://about.gitlab.com/handbook/engineering/ux/technical-writing/#assignments
----
-
-# Filter plugin
-
-`Filter` is a DropLab plugin that allows for filtering data that has been added
-to the dropdown using a simple fuzzy string search of an input value.
-
-## Usage
-
-Add the `Filter` object to the plugins array of a `DropLab.prototype.init` or
-`DropLab.prototype.addHook` call.
-
-- `Filter`: Requires a configuration value for `template`.
-- `template`: Should be the key of the objects within your data array that you
-  want to compare to the user input string, for filtering.
-
-```html
-<input href="#" id="trigger" data-dropdown-trigger="#list">
-<ul id="list" data-dropdown data-dynamic>
-  <li><a href="#" data-id="{{id}}">{{text}}</a></li>
-<ul>
-```
-
-```javascript
-const droplab = new DropLab();
-
-const trigger = document.getElementById('trigger');
-const list = document.getElementById('list');
-
-droplab.init(trigger, list, [Filter], {
-  Filter: {
-    template: 'text',
-  },
-});
-
-droplab.addData('trigger', [{
-  id: 0,
-  text: 'Jacob',
-}, {
-  id: 1,
-  text: 'Jeff',
-}]);
-```
-
-In the previous code, the input string is compared against the `test` key of the
-passed data objects.
-
-Optionally you can set `filterFunction` to a function. This function is then
-used instead of `Filter`'s built-in string search. `filterFunction` is passed
-two arguments: the first is one of the data objects, and the second is the
-current input value.