Full HTML/CSS/JS implementation in the zh-cn version. This page describes the features.
Features
- ✅ Real-time field validation (blur + input events)
- ✅ Async submission (no page refresh)
- ✅ Loading state (disabled button + spinner)
- ✅ Error messages (field-level + global)
- ✅ Success feedback (replaces form with success message)
- ✅ Honeypot anti-spam field
- ✅ Works with PHP, Node.js, Flask backends
Quick Integration
- Copy the HTML form into your page
- Copy the CSS into your stylesheet
- Copy the JavaScript and update the
fetch('/api/contact')URL to your backend endpoint - Make sure your backend returns JSON with
{ success: true, message: '...' }or{ error: '...' }