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| [](https://travis-ci.org/PolymerElements/iron-autogrow-textarea) |
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| _[Demo and API docs](https://elements.polymer-project.org/elements/iron-autogrow-textarea)_ |
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| ##<iron-autogrow-textarea> |
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| `iron-autogrow-textarea` is an element containing a textarea that grows in height as more |
| lines of input are entered. Unless an explicit height or the `maxRows` property is set, it will |
| never scroll. |
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| Example: |
| |
| ```html |
| <iron-autogrow-textarea></iron-autogrow-textarea> |
| ``` |
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| Because the `textarea`'s `value` property is not observable, you should use |
| this element's `bind-value` instead for imperative updates. |
| |
| ### Styling |
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| The following custom properties and mixins are available for styling: |
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| | Custom property | Description | Default | |
| | --- | --- | --- | |
| | `--iron-autogrow-textarea` | Mixin applied to the textarea | `{}` | |
| | `--iron-autogrow-textarea-placeholder` | Mixin applied to the textarea placeholder | `{}` | |
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