Utilizing nested arrays to implement v-for loop for efficient data rendering

Question

Utilizing nested arrays to implement v-for loop for efficient data rendering

Within my array - 'items', each object contains another array of objects. I am trying to retrieve the second array called 'productPrices' in order to use v-for. However, items.productPrices is not working for me. Do I need to implement a nested loop?

HTML:

  <table>
    <tbody>
      <tr v-for="(element, index) in items.productPrices">
        <td>{{ element.name }}</td>
        <td>
          <span>{{ element.amount }}</span>
        </td>
        <td>
          {{ element.price }}
        </td>
      </tr>
    </tbody>
  </table>

JS:

new Vue({
  el: "#app",
  data: {
    items: [
      { 
        name: 'menu', 
        path: 'menu', 
        productPrices: [
          { amount: 100, price: 80.61, name: 'first' },
          { amount: 250, price: 72.10 },
          { amount: 500, price: 79.62 },
          { amount: 1000, price: 100.20 },
          { amount: 2500, price: 147.60 },
          { amount: 5000, price: 232.56 }
        ], 
        quantity: 0 
      },
      { 
        name: 'Etui', 
        path: 'etui', 
        productPrices: [
          { amount: 100, price: 80.61, name: 'first' },
          { amount: 250, price: 72.10 },
          { amount: 500, price: 79.62 },
          { amount: 1000, price: 100.20 },
          { amount: 2500, price: 147.60 },
          { amount: 5000, price: 232.56 }
        ],
        quantity: 0 
      },
    ]
  }
})

Check out the fiddle here.

javascript arrays vue.js

Answer 1

Answer №1

Exploring an Alternative Approach with

<template> ... </template>

While the concept has been touched upon by other contributors, there is a way to streamline the data without nesting multiple loops. By consolidating all data into a single array, you can achieve a cleaner look, especially if you encapsulate it within a function or similar structure.

Here is a breakdown of how you can implement this:

<div id="app">
  <table>
    <tbody>
      <tr v-for='(element, index) in currentItem().productPrices'>
        <td>{{ element.name }}</td>
        <td>
          <span>{{ element.amount }}</span>
        </td>
        <td>
          {{ element.price }}
        </td>
      </tr>
    </tbody>
  </table>

Answer 2

Exploring an Alternative Approach with

<template> ... </template>

While the concept has been touched upon by other contributors, there is a way to streamline the data without nesting multiple loops. By consolidating all data into a single array, you can achieve a cleaner look, especially if you encapsulate it within a function or similar structure.

Here is a breakdown of how you can implement this:

<div id="app">
  <table>
    <tbody>
      <tr v-for='(element, index) in currentItem().productPrices'>
        <td>{{ element.name }}</td>
        <td>
          <span>{{ element.amount }}</span>
        </td>
        <td>
          {{ element.price }}
        </td>
      </tr>
    </tbody>
  </table>

Answer 3

Answer №2

Simply enclose it within a

<template v-for="item in items">

<div id="app">
      <table>
        <tbody>
        <template v-for="item in items">
          <tr v-for="(element, index) in item.productPrices">
            <td>{{ element.name }}</td>
            <td>
              <span>{{ element.amount }}</span>
            </td>
            <td>
              {{ element.price }}
            </td>
          </tr>
        </template>
        </tbody>
      </table>
</div>

Make sure to make the necessary updates on your jsfiddle http://jsfiddle.net/khz30amb/7/

Answer 4

Simply enclose it within a

<template v-for="item in items">

<div id="app">
      <table>
        <tbody>
        <template v-for="item in items">
          <tr v-for="(element, index) in item.productPrices">
            <td>{{ element.name }}</td>
            <td>
              <span>{{ element.amount }}</span>
            </td>
            <td>
              {{ element.price }}
            </td>
          </tr>
        </template>
        </tbody>
      </table>
</div>

Make sure to make the necessary updates on your jsfiddle http://jsfiddle.net/khz30amb/7/

Answer 5

Answer №3

To accomplish this task, you can proceed as follows:

<template>
    <v-container fluid px-4 py-0>
        <h4>Testing</h4>
        <table>
            <tbody>
                <template v-for="(item, idx) in items">
                    <tr v-for="newItem in item.productPrices" :key="idx">
                        <td>{{ newItem.name }}</td>
                        <td>
                            <span>{{ newItem.amount }}</span>
                        </td>
                        <td>
                            {{ newItem.price }}
                        </td>
                    </tr>
                </template>
            </tbody>
        </table>
    </v-container>
</template>

Answer 6

To accomplish this task, you can proceed as follows:

<template>
    <v-container fluid px-4 py-0>
        <h4>Testing</h4>
        <table>
            <tbody>
                <template v-for="(item, idx) in items">
                    <tr v-for="newItem in item.productPrices" :key="idx">
                        <td>{{ newItem.name }}</td>
                        <td>
                            <span>{{ newItem.amount }}</span>
                        </td>
                        <td>
                            {{ newItem.price }}
                        </td>
                    </tr>
                </template>
            </tbody>
        </table>
    </v-container>
</template>

Answer 7

Answer №4

When working with arrays of objects in JavaScript, it's not possible to directly access the properties of each object. For example, if you have an array called "list" and you want to access the property "productPrices" of each object in the array, you cannot simply do list.productPrices. Instead, you need to iterate through the array and then access the property.

To achieve this, you can use a v-for directive to loop through the array and access the "productPrices" property. Once you have access to this property, you can then use another v-for directive to iterate over its values.

I hope this explanation clarifies any confusion you may have had regarding this topic.

Answer 8

When working with arrays of objects in JavaScript, it's not possible to directly access the properties of each object. For example, if you have an array called "list" and you want to access the property "productPrices" of each object in the array, you cannot simply do list.productPrices. Instead, you need to iterate through the array and then access the property.

To achieve this, you can use a v-for directive to loop through the array and access the "productPrices" property. Once you have access to this property, you can then use another v-for directive to iterate over its values.

I hope this explanation clarifies any confusion you may have had regarding this topic.

Utilizing nested arrays to implement v-for loop for efficient data rendering

Answer №1

Exploring an Alternative Approach with
`<template> ... </template>`

Answer №2

Answer №3

Answer №4

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