title: Get text field value onkeyup vue js
body: <p>Without using v-model, how to retrieve text field's value when typing? If possible without using any methods.</p>
  
  <pre><code>&lt;input type="text" class="form-field"
      v-on:keyup="data.sample = this.target.value"&gt;
  </code></pre>
  
  <p>I used </p>
  
  <ul>
  <li>this.value</li>
  <li><p>this.target.value</p></li>
  <li><p>e.target.value</p></li>
  </ul>