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Fiverr Pro
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$
USD
I will debug javascript console errors and crashes in 2 hours
Sajjad Hussain
Acerca de este Servicio
Console flooding? Script crashing on load? Ill trace, fix, and stabilize your JavaScript fast.
Specializing in vanilla JS, ES6+, and cross-framework debugging, I resolve syntax, runtime, async, and DOM errors without breaking your existing code.
WHAT I FIX:
Uncaught TypeError, ReferenceError, SyntaxError
Async/await & Promise rejection crashes
Event listener & DOM manipulation bugs
Third-party script conflicts & version mismatches
Memory leak triggers & infinite loops
PROCESS:
1. Share console logs + reproduction steps
2. I diagnose root cause using DevTools
3. Deliver clean fix + clear explanation
4. Test approve done
️ SCOPE: Client-side JS only. No Node.js backend, server configs, or full rewrites. 1 error = 1 distinct issue.
WHY ME:
Fast response (<10 mins) & 6h delivery
Clean, documented fixes
Free revision if scope matches
Complex issue? Message first for FREE diagnosis. Order now and stop wasting hours debugging.
Respeta los derechos de terceros
Recuerda que incluir temas, plantillas o cualquier otro elemento que viole los derechos de terceros o las leyes aplicables en los trabajos entregados va en contra de las políticas de Fiverr. Puedes ver más información en Guía para la creación digital responsable.
Conoce a Sajjad Hussain
Sajjad Hussain
Front End developer
- DePakistán
- Miembro desdesep 2024
Idiomas
Urdu, Inglés
I am a senior front-end developer with over 4 years of experience in building scalable, high-performance, and responsive web applications. My expertise lies in crafting dynamic, interactive, and user-friendly interfaces using modern front-end technologies.
What I Offer
On Fiverr, I provide front-end development services, ensuring that your website or web application is:
✔ Pixel-perfect & responsive across all devices
✔ Optimized for speed & SEO to enhance performance
✔ Scalable & maintainable for long-term growth
✔ Visually appealing with intuitive UI/UX principles
Why Work With Me?
Mi porfolio
FAQ
What types of JavaScript errors do you fix?
I fix client-side errors including TypeError, ReferenceError, SyntaxError, async/await crashes, Promise rejections, DOM manipulation bugs, and third-party script conflicts.
Do you work with React?
Yes. I debug pure JS/ES6 logic within any framework. For framework-specific state or component bugs, check my dedicated React/Vue gigs.
: Do you fix Node.js or server-side JavaScript?
No. This gig covers browser/client-side JavaScript only. For backend/Node.js issues, message me for a custom quote.
What if you can’t fix my error?
I provide free diagnosis. If the issue is out of scope or requires backend changes, you receive a full refund. Zero risk.
What do you need to start?
Please provide: (1) Exact error message + console screenshot, (2) Steps to reproduce, (3) Code snippet or repo link, (4) Browser/environment details.
