Check out a free preview of the full Interactive Data Visualization with D3.js course:
The "Creating a Rendering Function" Lesson is part of the full, Interactive Data Visualization with D3.js course featured in this preview video. Here's what you'd learn in this lesson:
A better method for updating the visual states of the charts is to add an initializing function and move all rendering to an update function. Ian also answers a questions about throttling the visual updates.
