<div id="app">
<button v-on:click="Count(1)">Increment by 1 </button>
<button v-on:click="count +=2">Increment by 2</button>
<p>Count : {{ count}}</p>
<p>Even / odd : {{ count % 2 == 0 ? 'Even' : 'odd' }}</p>
<p>Count * 3 : {{ count * 3}} </p>
</div>