I am not sure why the data is undefined despite passing the right property from the component.

This is my vue component

Vue.component('store-squaretile-component',{
    template: '#store-squaretile-component',
    props: [
        'storeName'                 
    ],
    data: function () {
        return {}
    },
});

This is its template

<script type='text/x-template' id='store-squaretile-component'>
        <div >
            <div  >
                <!-- background of store-squaretile to be set to img -->
                <div >
                    <div  data-bs-toggle="dropdown" >
                        <i ></i>
                    </div>
                    
                    <ul id="dropdown-menu-store"  >
                        <div >Quick Actions</div>
                        <div ></div>
                        <a  href="#">Edit Store</a>
                        <a  href="#">Delete Store</a>
                    </ul>       
                </div>
            </div>
            <div >{{storeName}}</div>    
        </div>
</script>

When i pass the component this array:

stores: [
            {name: "harry's",},
            {name: "Carl's junior",},
            {name: "Mcdonald's",}               
        ]

into this component

<store-squaretile-component
    v-for="store in stores"
    :storeName="store.name"    
></store-squaretile-component> 

it is suppose to suppose to replace the storeName with the name in the array but instead I get a NaN or the title disappears entirely.

I received an undefined value. Is there a reason for this?

CodePudding user response：

It's working fine, just replaced storeName with storename and added :key to v-for loop:

Vue.component('store-squaretile-component', {
  template: '#store-squaretile-component',
  props: ['storename'],
})

new Vue({
  el: '#demo',
  data() {
    return {
      stores: [
        {name: "harry's", },
        {name: "Carl's junior",},
        {name: "Mcdonald's",}               
      ]
    }
  }
})

Vue.config.productionTip = false
Vue.config.devtools = false

<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.5.17/vue.js"></script>
<div id="demo">
  <store-squaretile-component
    v-for="(store, idx) in stores"
    :storename="store.name"    
    :key="idx"
  ></store-squaretile-component> 
</div>
<script type='text/x-template' id='store-squaretile-component'>
  <div >
    <div  >
      <div >
        <div  data-bs-toggle="dropdown" >
          <i ></i>
        </div>
        <ul id="dropdown-menu-store"  >
          <div >Quick Actions</div>
          <div ></div>
          <a  href="#">Edit Store</a>
          <a  href="#">Delete Store</a>
        </ul>       
      </div>
    </div>
    <div >{{storename}}</div>    
  </div>
</script>