title: how to make radio button checked by default in vuejs?
body: <p>I am using VueJs in project, when page load radio buttton status should be checked status need , after that on change radio button, bellow div should be hide and show. i writen bellow code but it is not working:</p>
  
  <pre><code>html
  ----
  &lt;div id="demo"&gt;
    &lt;input type="radio" value="male" v-model="male" v-bind:checked="checked" /&gt;
     &lt;input type="radio" value="male" v-model="male" v-bind:checked="unchecked" /&gt;
  &lt;/div&gt;
  
  javascript
  ---------
  new Vue({
      el: '#demo',
    data: {
      checked: true
    },
  methods:{
    onChange:function(){
     checked=false;
  }
  }
  })
  </code></pre>