In-depth articles

The Stockio blog

Practical deep dives for designers, developers and creators. Every article comes with an interactive tool so you can try the technique as you read.

JavaScript & Frameworks

JavaScript Array Methods: map, filter, reduce Explained

Choose array methods by intent, avoid shared-reference bugs, and use toSorted and toSpliced to transform collections without mutating their original order.

Inside this article

Start with the shape of the result
Map and filter express different contracts
Reduce needs an explicit accumulator
Sort and splice without changing the source

Daniel KimRead the article

JavaScript & Frameworks

ES Modules vs CommonJS: Choosing and Migrating

Understand how ES modules and CommonJS load code, resolve files, and share exports. Use a practical migration checklist to avoid Node.js and TypeScript integration traps.

Sofia Marchetti

JavaScript & Frameworks

TypeScript Discriminated Unions for UI State

Replace fragile boolean flags with discriminated unions, exhaustive switches, and explicit transitions that make loading, success, and failure states easier to maintain.

Daniel Kim

HTML & CSS

Responsive Spacing in CSS With clamp(), min() and max()

Build fluid gutters, section padding, and component gaps with CSS math functions, then test the boundaries without replacing every breakpoint with viewport units.

Jonah Weiss

HTML & CSS

CSS Container Queries Tutorial: Components That Adapt

Build reusable components with CSS container queries, named containers, and reliable fallbacks. Learn where containment belongs and how to avoid sizing traps.

Inside this article

Define the component boundary first
Establish containment without collapsing the layout
Name containers when components are nested
Use container units with sensible bounds

Marcus BellRead the article

Branding & Business

Logo Usage Guidelines: Spacing and Size Rules That Hold Up

Define measurable logo clear space and minimum sizes for websites, partner placements and print, with practical tests and handoff rules that prevent misuse.

Arjun Raman

Branding & Business

Open Graph Image Templates for a Consistent Brand

Build reusable social preview templates with dependable title layouts, brand cues and export rules, then test how your Open Graph images survive real sharing contexts.

Piotr Kowalski

Branding & Business

What to Include in Brand Guidelines for Digital Products

Build brand guidelines that help product teams ship consistent screens, assets and messages, with practical rules for logos, colours, typography and ownership.

Piotr Kowalski

Branding & Business

How to Write a Logo Design Brief That Gets Useful Concepts

Turn business goals into a usable logo brief with audience priorities, production constraints, review criteria, and a clear approval process for designers.

Inside this article

Start with the real applications
Define the business problem without prescribing artwork
Establish constraints, rights, and reference material
Make the review process measurable

Arjun RamanRead the article

Motion & Animation

CSS Hover Effects for Cards and Buttons: Tasteful Defaults

Build restrained hover effects that clarify clickable cards and buttons, with practical CSS timings, keyboard states, touch fallbacks, and reduced-motion rules.

Aiko Tanaka

Motion & Animation

Animate Height Auto in CSS With interpolate-size

Choose a reliable approach to expanding panels: native intrinsic-size interpolation, grid tracks, or measured heights, with accessible controls and reduced-motion fallbacks.

Aiko Tanaka

Motion & Animation

CSS Transition vs Animation: When to Use Keyframes

Choose CSS transitions or keyframes for each motion task, handle interrupted states, and build effects that stay predictable across input methods and reduced-motion settings.

Aiko Tanaka

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