CLChaoming Liinchaoming.hashnode.dev·Jul 8 · 7 min readHow to Detect Visitor Country and Currency in JavaScript (No Backend Required)You want to show prices in the right currency, tailor your CTA to the visitor's region, or auto-select a country in a checkout form. All of that starts with one question: where is this person? And mor00
CLChaoming Liinchaoming.hashnode.dev·Jan 15 · 4 min readIntroducing InAppAI: Open-Source AI Agents for ReactSaaS users in 2026 don't want AI that answers questions. They want AI that does things for them. "Schedule a meeting with John for Tuesday" "Generate a report for Q4 sales" "Add a task to follow up with the client" Not a walkthrough. Not a help artic...00
CLChaoming Liinchaoming.hashnode.dev·Nov 19, 2022 · 2 min readFirebase + Reactjs = Fireactjs, the open source framework for building user portalsMost web applications require user authentication to access their features. As a web developer and a technical founder, I just wished that there was a package allowing me to skip all the development work to set up the user sign-up, sign-in, change pa...00
CLChaoming Liinchaoming.hashnode.dev·Nov 15, 2022 · 2 min readI created a React country and state field package that can detect the user's IP geolocationFor users, picking their countries from a long list of options in the country field is quite an annoying thing. To solve the UX issue, I created a country and state field package for React developers. The fields can detect the user's IP geolocation, ...00
CLChaoming Liinchaoming.hashnode.dev·Sep 26, 2022 · 3 min readHow to pre-fill user country and state fields in Reactjs formsThe most annoying thing about filling out an online order form is picking your country and state from a long list of options. Ideally, the order forms would be able to detect the user's country and state based on his or her IP address, and pre-fill t...01S
