var V = new Vue({
el:'#vue-instance',
data:{
name:'Niklesh'
}
})
<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.5.4/vue.js"></script>
<div id="vue-instance">
<div>One Way binding with input box <input type="text" :value="name"></div>
<div>One Way binding as text {{name}}</div>
<div>Two way binding : <input type="text" v-model="name"></div>
</div>