Python Data Visualization Transcripts
Chapter: Dash
Lecture: Callback reference
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Let me walk through a summary of how callbacks interact with court components. So using the Simple histogram,
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we specify the output is a graph object with an idea of histogram. We specify that the input is a drop down with an id of fuel ID.
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When the user changes values in the dropdown, the histogram gets updated and here's the simplified code that does that.
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We have our update function wrapped with the callback that defines the outputs and the inputs and the types of inputs and outputs.
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This is what Dash uses behind the scenes to automatically update your visualizations as users make changes to them.