<section ng-class="type" >
    <h4>{{ lamp.name }}</h4>
    <p>{{ vm.wattage }}</p>
    <p>{{ vm.cost }}</p>
</section>
<section ng-class="type" >
    <h4>{{ ::lamp.name }}</h4>
    <p>{{ vm.wattage }}</p>
    <p>{{ vm.cost }}</p>
</section>
Add one-way binding to calculator
Add one-way binding to calculator
