Implementing a Custom Parallax Slideshow in Drupal Using Twig and JavaScript

Staff Reporter

Mari Núñez, a frontend engineer at Four Kitchens, provides a thorough, hands-on tutorial for implementing a parallax slideshow component in a Drupal site. Built using Paragraphs and the Emulsify design system, the guide walks through structuring slides, integrating them with theme templates, and using JavaScript for scroll-based transitions and dynamic image loading.

The implementation uses the Intersection Observer API and drupalSettings to preload and transition images smoothly. It addresses performance and usability by preloading only necessary assets and using fixed positioning for effect without obstructing page flow. The code is clean and modular, following best practices for maintainability in Drupal theming.

Though comprehensive, the post assumes a moderate-to-advanced familiarity with Drupal theming, Twig, and JavaScript. It’s a valuable resource for frontend developers looking to enhance UX with dynamic visual storytelling—less about Drupal core and more about frontend sophistication in a Drupal context.

Source Reference

Title

Creating Depth and Motion: A Step-by-Step Guide to Parallax

Byline

Mari Núñez

Date of Publication

30 May 2025

Organization

Four Kitchens

Drupal

Front-end Development

Twig

JavaScript

Four Kitchens

Web Design

User Experience

Disclosure: This content is produced with the assistance of AI.

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