Bolt
ui
Event Handlers Not Firing - onClick, onChange Not Working
You add onClick, onChange, or other event handlers to elements but they never fire. The function is defined but not being called when the event occurs.
Sometimes works in one component but not another. No console errors.
Error Messages You Might See
onClick fires immediately on render
Event handler undefined
Clickable element not responding to clicks
handleClick is not a function
Common Causes
- Calling function instead of passing reference: onClick={handleClick()} instead of onClick={handleClick}
- Event handler called with wrong context (this binding issue)
- Event delegation not working - handler on parent not capturing child events
- Element disabled or has pointer-events: none
- Event handler overridden or removed after mount
How to Fix It
Pass function reference, not invocation: onClick={handleClick} not onClick={handleClick()}
To pass arguments: onClick={() => handleClick(id)} or onClick={e => handleClick(e, id)}
For disabled state: use disabled prop, not conditional rendering
Check element in DevTools - is it actually in the DOM and visible?
Use React DevTools Profiler to see if component is re-rendering on click
Real developers can help you.
Dor Yaloz
SW engineer with 6+ years of experience,
I worked with React/Node/Python
did projects with React+Capacitor.js for ios
Supabase expert
Omar Faruk
As a Product Engineer at Klasio, I contributed to end-to-end product development, focusing on scalability, performance, and user experience.
My work spanned building and refining core features, developing dynamic website templates, integrating secure and reliable payment gateways, and optimizing the overall system architecture.
I played a key role in creating a scalable and maintainable platform to support educators and learners globally.
I'm enthusiastic about embracing new challenges and making meaningful contributions.
Luca Liberati
I work on monoliths and microservices, backends and frontends, manage K8s clusters and love to design apps architecture
zipking
I am a technologist and product builder dedicated to creating high-impact solutions at the intersection of AI and specialized markets. Currently, I am focused on PropScan (EstateGuard), an AI-driven SaaS platform tailored for the Japanese real estate industry, and exploring the potential of Archify.
As an INFJ-T, I approach development with a "systems-thinking" mindset—balancing technical precision with a deep understanding of user needs. I particularly enjoy the challenge of architecting Vertical AI SaaS and optimizing Small Language Models (SLMs) to solve specific, real-world business problems. Whether I'm in a CTO-level leadership role or hands-on with the code, I thrive on building tools that turn complex data into actionable value.
Jaime Orts-Caroff
I'm a Senior Android developer, open to work in various fields
prajwalfullstack
Hi Im a full stack developer, a vibe coded MVP to Market ready product, I'm here to help
Tejas Chokhawala
Full-stack engineer with 5 years experience building production web apps using React, Next.js and TypeScript.
Focused on performance, clean architecture and shipping fast.
Experienced with Supabase/Postgres backends, Stripe billing, and building AI-assisted developer tools.
hanson1014
Full-stack developer experienced in fixing and deploying AI-generated apps from Lovable, Bolt.new, Cursor, and Replit. I specialize in debugging Supabase integration issues (auth flows, RLS policies, database connections), fixing broken deployments, resolving routing/blank screen problems, and cleaning up messy React/Vite codebases. I also build production apps with the Claude API and have shipped a Mac desktop dev tool (Nexterm from scratch. Based in Hong Kong, fast turnaround.
Sage Fulcher
Hey I'm Sage! Im a Boston area software engineer who grew up in South Florida. Ive worked at a ton of cool places like a telehealth kidney care startup that took part in a billion dollar merger (Cricket health/Interwell health), a boutique design agency where I got to work on a ton of exciting startups including a photography education app, a collegiate Esports league and more (Philosophie), a data analytics as a service startup in Cambridge (MA) as well as at Phillips and MIT Lincoln Lab where I designed and developed novel network security visualizations and analytics. I've been writing code and furiously devoted to using computers to make people’s lives easier for about 17 years. My degree is in making computers make pretty lights and sounds. Outside of work I love hip hop, the Celtics, professional wrestling, magic the gathering, photography, drumming, and guitars (both making and playing them)
Bastien Labelle
Full stack dev w/ 20+ years of experience
You don't need to be technical. Just describe what's wrong and a verified developer will handle the rest.
Get HelpFrequently Asked Questions
What's the difference between onClick={fn} and onClick={fn()}?
fn is a reference, fires when clicked. fn() calls immediately on render. Use fn() => fn(args) to pass arguments
Why does my event fire immediately?
You're calling the function onClick={fn()} instead of passing reference onClick={fn}
How do I pass arguments to event handlers?
Use arrow function: onClick={() => handleClick(id, name)}