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# iron-autogrow-textarea
`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.
Example:
<iron-autogrow-textarea id="a1">
<textarea id="t1"></textarea>
</iron-autogrow-textarea>
Because the `textarea`'s `value` property is not observable, you should use
this element's `bind-value` instead for imperative updates. Alternatively, if
you do set the `textarea`'s `value` imperatively, you must also call `update`
to notify this element the value has changed.
Example:
/* preferred, using the example HTML above*/
a1.bindValue = 'some\ntext';
/* alternatively, */
t1.value = 'some\ntext';
a1.update();
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