quasar/docs/src/examples/QVirtualScroll/Basic.vue at 2e8e3961baa172f7cf22c080a60f24666471bcb6 · hipertracker/quasar · GitHub

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<template>
  <q-virtual-scroll
    style="max-height: 300px;"
    :items="heavyList"
    separator
  >
    <template v-slot="{ item, index }">
      <q-item
        :key="index"
        dense
      >
        <q-item-section>
          <q-item-label>
            #{{ index }} - {{ item.label }}
          </q-item-label>
        </q-item-section>
      </q-item>
    </template>
  </q-virtual-scroll>
</template>

<script>
const maxSize = 10000
const heavyList = []

for (let i = 0; i < maxSize; i++) {
  heavyList.push({
    label: 'Option ' + (i + 1)
  })
}

Object.freeze(heavyList)

export default {
  data () {
    return {
      heavyList
    }
  }
}
</script>