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.
Jacek Rozanski
Senior PHP/Symfony developer and DevOps engineer with 20+ years of professional experience, running opcode.pl (web development agency, est. 2004).
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David Olverson
Solo dev shipping production apps with AI-assisted development. I specialize in rescuing broken Lovable/Bolt/Cursor builds and taking them to production. 10+ apps shipped including SaaS CRMs, gaming platforms, real estate tools, and Discord bots. Stack: Next.js 16, TypeScript, Tailwind CSS, FastAPI, PostgreSQL, Prisma. I use Claude Code with 50+ custom skills for rapid delivery. Average turnaround: 2-4 weeks from broken prototype to production.
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PawelPloszaj
I'm fronted developer with 10+ years of experience with big projects. I have small backend background too
Krishna Sai Kuncha
Experienced Professional Full stack Developer with 8+ years of experience across react, python, js, ts, golang and react-native. Developed inhouse websearch tooling for AI before websearch was solved : )
Matthew Butler
Systems Development Engineer @ Amazon Web Services
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)}