input(type='text', ng-model="word") {{ word }}
<input type='text' ng-model="word"></input> {{ word }}input(type='text', ng-model="word", value="{{ word }}")
<input type='text' ng-model="word" value="{{ word }}"></input> input(type='text', ng-model="word")
| {{world}}input(type='text', ng-model="word").
{{world}}input(type='text', ng-model="word")
="{{world}}"input(type='text', ng-model="word", value="{{world}}")