Create An AlpineJs Back-To-Top Button

Last updated 11th November, 2023


Here's how you can create a dead simple "back to top" button in your AlpineJs + Blade projects. It's a super useful component to have, and I've found myself building it a couple of times.

The Component

  x-data="{ show: false }"
  x-on:scroll.window="show = window.pageYOffset >= 1000"
  class="fixed bottom-8 right-8"
    x-on:click="window.scrollTo({top: 0, behavior: 'smooth'})"
    class="shadow-lg bg-white p-2 rounded-full"
    <svg xmlns="" width="20" height="20" viewBox="0 0 24 24">
      <path fill="currentColor" d="m11 7.825l-4.9 4.9q-.3.3-.7.288t-.7-.313q-.275-.3-.288-.7t.288-.7l6.6-6.6q.15-.15.325-.212T12 4.425q.2 0 .375.063t.325.212l6.6 6.6q. 7.825V19q0 .425-.288.713T12 20q-.425 0-.713-.288T11 19V7.825Z"/>

How The Code Works

First, we use the x-data directive to initialise the AlpineJs component.

Next we'll usethe window.pageYOffset attribute on the window object to check how far down the page we are. We only want to show the button when we're no longer at the top.

By using x-on:scroll, and binding the listener to the window object by appending .window to the listner, every time the user scrolls, this code will trigger. When the user scrolls past 1000px from the top of the page, show will be set to true.

Finally, we use the x-on:click directive, along with the scrollTo method on the window to scroll to the top, when a user clicks that button.

The Result

Here's how it looks. You might even be able to see it on the page right now.

Hope this helps! 🤙

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