Transmit information to a designated location in Vue

I have a task where I need to showcase data from a dynamically updating list in my project. This particular list gets updated within a function, and what I aim for is to only display this data on the webpage after the said function has been executed successfully.

Check out the template code snippet below:

    <div class="modal-body">
          <td>{{shopName}}</td>
    </div>

Here's the associated script:

    <script>
    export default {
      name: "ViewShop",
      props:{
            shops:Object
        },
      data(){
        return{
          shopName:[],
        }
      },
      methods:{
        async shopd(sid){
          this.shopName=this.shops;
          console.log(this.shopName) // This prints the data in the console

        }
      }

    };
    </script>

The goal here is to showcase the value of shopName variable in the template post executing the shopd() function properly.

In order to achieve this, it seems that currently, shopName is being accessed in the template prior to the actual execution of the function. Therefore, my focus now lies in making sure it waits until there are definitive changes made by the function with regards to shopName, following which this should reflect in the template seamlessly.

Answer №1

To achieve this, you must utilize a separate variable:

    <script>
    export default {
      name: "ViewShop",
      props:{
            shops:Object
        },
      data(){
        return{
          shopName:[],
          showShopName: false,
        }
      },
      methods:{
        async shopd(sid){
          this.shopName = this.shops;
          this.showShopName = true;
        }
      }

    };
    </script>

Next, in your template:

    <div class="modal-body">
          <td>{{ showShopName ? shopName : "" }}</td>
    </div>

Answer №2

At this moment, it remains uncertain whether an array or a simple string is required. Nevertheless, in the template, there is a workaround available. By altering the variable shopName to null and utilizing the v-if directive, the element can be hidden.

   <div class="modal-body" >
      <td v-if=shopName !== null>{{shopName}}</td>
   </div>

https://v2.vuejs.org/v2/guide/conditional.html

Answer №3

To conditionally render HTML in Vue.js, you can use the v-if directive. The content inside will only be displayed on the DOM if the specified condition is true.

<div class="modal-body" v-if="shopName.length>0">
      <td>{{shopName}}</td>
</div>

If you're unsure whether shopName is an array or a string, make sure to adjust the condition accordingly. Check out the official documentation to learn more about conditional rendering: https://v2.vuejs.org/v2/guide/conditional.html

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