binding-form-2-vue
HTML
<script src="https://unpkg.com/vue"></script>
<div id="test">
<textarea name="name" rows="8" cols="80" v-model="tpost"></textarea>
<h1 style="white-space: pre-line"> Your message: {{tpost}}</h1>
</div>
JavaScript
var vm = new Vue({
el:'#test',
data:{
tpost:'',
}
})