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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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parse5
HTML parsing/serialization toolset for Node.js. WHATWG HTML Living Standard (aka HTML5)-compliant.
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
Deno is a new JavaScript runtime built on V8.
Deno can be installed by copying the release from GitHub to a location on your path. I configured my environment as follows:
I recommend installing the Deno VS Code extension for IDE support and debugging. The manual suggested a launch config, which works for me, most of the time.
The code above is also valid TypeScript. Since Deno includes a built-in TypeScript compiler, you could simply rename hello.js to hello.ts and it would work the same way.
After some googling, I landed on parse5 which appeared to have wide usage and offered a simple, low-level tree API at its core.