📄 tanstack/virtual/latest/docs/framework/svelte/examples/dynamic

File: dynamic.md | Updated: 11/15/2025

Source: https://tanstack.com/virtual/latest/docs/framework/svelte/examples/dynamic



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Svelte Example: Dynamic

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=================================================================================================================================================================================================================================================================================================================================================================================================================

Code ExplorerCode

Interactive SandboxSandbox

  • src

    • App.svelte file iconApp.svelte

    • ColumnVirtualizerDynamic.svelte file iconColumnVirtualizerDynamic.svelte

    • GridVirtualizerDynamic.svelte file iconGridVirtualizerDynamic.svelte

    • RowVirtualizerDynamic.svelte file iconRowVirtualizerDynamic.svelte

    • RowVirtualizerDynamicWindow.svelte file iconRowVirtualizerDynamicWindow.svelte

    • app.css file iconapp.css

    • main.ts file iconmain.ts

    • vite-env.d.ts file iconvite-env.d.ts

  • .gitignore file icon.gitignore

  • README.md file iconREADME.md

  • index.html file iconindex.html

  • package.json file iconpackage.json

  • svelte.config.js file iconsvelte.config.js

  • tsconfig.json file icontsconfig.json

  • tsconfig.node.json file icontsconfig.node.json

  • vite.config.ts file iconvite.config.ts

svelte

<script lang="ts">
  import RowVirtualizerDynamic from './RowVirtualizerDynamic.svelte'
  import RowVirtualizerDynamicWindow from './RowVirtualizerDynamicWindow.svelte'
  import ColumnVirtualizerDynamic from './ColumnVirtualizerDynamic.svelte'
  import GridVirtualizerDynamic from './GridVirtualizerDynamic.svelte'

  const pathname = window.location.pathname
</script>

<main>
  <p>
    These components are using <strong>dynamic</strong> sizes. This means that each
    element's exact dimensions are unknown when rendered. An estimated dimension
    is used as the initial measurement, then this measurement is readjusted on the
    fly as each element is rendered.
  </p>
  <nav>
    <ul>
      <li>
        <a href="/">List</a>
      </li>
      <li>
        <a href="/window-list">List - window as scroller</a>
      </li>
      <li>
        <a href="/columns">Column</a>
      </li>
      <li>
        <a href="/grid">Grid</a>
      </li>
    </ul>
  </nav>
  {#if pathname === '/'}
    <RowVirtualizerDynamic />
  {:else if pathname === '/window-list'}
    <RowVirtualizerDynamicWindow />
  {:else if pathname === '/columns'}
    <ColumnVirtualizerDynamic />
  {:else if pathname === '/grid'}
    <GridVirtualizerDynamic />
  {:else}
    <p>Not Found</p>
  {/if}
</main>


<script lang="ts">
  import RowVirtualizerDynamic from './RowVirtualizerDynamic.svelte'
  import RowVirtualizerDynamicWindow from './RowVirtualizerDynamicWindow.svelte'
  import ColumnVirtualizerDynamic from './ColumnVirtualizerDynamic.svelte'
  import GridVirtualizerDynamic from './GridVirtualizerDynamic.svelte'

  const pathname = window.location.pathname
</script>

<main>
  <p>
    These components are using <strong>dynamic</strong> sizes. This means that each
    element's exact dimensions are unknown when rendered. An estimated dimension
    is used as the initial measurement, then this measurement is readjusted on the
    fly as each element is rendered.
  </p>
  <nav>
    <ul>
      <li>
        <a href="/">List</a>
      </li>
      <li>
        <a href="/window-list">List - window as scroller</a>
      </li>
      <li>
        <a href="/columns">Column</a>
      </li>
      <li>
        <a href="/grid">Grid</a>
      </li>
    </ul>
  </nav>
  {#if pathname === '/'}
    <RowVirtualizerDynamic />
  {:else if pathname === '/window-list'}
    <RowVirtualizerDynamicWindow />
  {:else if pathname === '/columns'}
    <ColumnVirtualizerDynamic />
  {:else if pathname === '/grid'}
    <GridVirtualizerDynamic />
  {:else}
    <p>Not Found</p>
  {/if}
</main>

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