Callbacks for Plotly - Introduction
An Introduction to Python Functions and Data Analysis with Pandas Mastering Callbacks in Plotly Dash One of the most powerful features of Plotly's Dash is the ability to create callbacks. These allow you to create interactive, dynamic web applications all with Python. In this post, we'll dive into the fundamentals of callbacks in Dash and demonstrate how they can be used to enhance your data visualizations. What is a Callback? In the context of Dash, a callback is essentially a Python function that is automatically executed by Dash in response to some kind of input, like a change in a dropdown, slider, or other interactive component. Callbacks are declared using Python decorators, which are a unique feature of Python that allows us to modify the behavior of a function. When we declare a callback in Dash, we use the @app.callback decorator. A Basic Callback Example Let's start with a simple example of a callback. Suppose we have a Dash app wi...