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# InputSetter
`InputSetter` is a plugin that allows for updating DOM out of the scope of droplab when a list item is clicked.
## Usage
Add the `InputSetter` object to the plugins array of a `DropLab.prototype.init` or `DropLab.prototype.addHook` call.
- `InputSetter` requires a config value for `input` and `valueAttribute`.
- `input` should be the DOM element that you want to manipulate.
- `valueAttribute` should be a string that is the name of an attribute on your list items that is used to get the value
to update the `input` element with.
You can also set the `InputSetter` config to an array of objects, which will allow you to update multiple elements.
```html
<input id="input" value="">
<div id="div" data-selected-id=""></div>
<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>
```
```js
const droplab = new DropLab();
const trigger = document.getElementById('trigger');
const list = document.getElementById('list');
const input = document.getElementById('input');
const div = document.getElementById('div');
droplab.init(trigger, list, [InputSetter], {
InputSetter: [{
input: input,
valueAttribute: 'data-id',
} {
input: div,
valueAttribute: 'data-id',
inputAttribute: 'data-selected-id',
}],
});
droplab.addData('trigger', [{
id: 0,
text: 'Jacob',
}, {
id: 1,
text: 'Jeff',
}]);
```
Above, if the second list item was clicked, it would update the `#input` element
to have a `value` of `1`, it would also update the `#div` element's `data-selected-id` to `1`.
Optionally you can set `inputAttribute` to a string that is the name of an attribute on your `input` element that you want to update.
If you do not provide an `inputAttribute`, `InputSetter` will update the `value` of the `input` element if it is an `INPUT` element,
or the `textContent` of the `input` element if it is not an `INPUT` element.
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