Posts tagged: "javascript"

Dynamic fields with Flask-WTF

2019-03-02 14:53 +0100

Lately I've been working on a side project that requires dynamically adding or removing fields to a form: ideally, I should be able to add any number of fields and the server should receive the data correctly.

While a combination of FieldList and FormField works great when adding fields in the backend, I wanted to dynamically add and remove fields in the client (through Javascript) without having to send requests to the server until finally submitting the form with all the dynamic fields. Here's how that went.

TL;DR: Example code is available at https://gist.github.com/rmed/def5069419134e9da0713797ccc2cb29.