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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
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Our server application is a very simple one. We just render a simple HTML page with a form and input field to search for the user name. And we are using pug as our template engine for the express app and the body-parser library which is Node.js body parsing middleware to parse incoming request bodies in a middleware before your handlers, available under the req.body property.
The code for this example is hosted in this Github repository. You can view the live demo in action here.
htmx allows you to build modern user interfaces with the simplicity and the power of hypertext. It lets you to access AJAX, CSS Transitions, WebSockets and Server Sent Events directly in HTML, using attributes.
We are going to setup a simple Express.js application in Node for our demo. The reason being htmx is dealing with server-rendered html and we don't need any Javascript on the client side to make this work. Every piece of UI is rendered by the server, whether it is the initial full-page markup or the dynamically rendered profile component. All the HTML for the page is served from the server side.