This course has been updated! We now recommend you take the Introduction to Data Visualization with d3.js v4 course.

Check out a free preview of the full Interactive Data Visualization with D3.js course:
The "Brush Generator" 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:

The brush generator highlights an area within the dataset. Similar to the axis, it uses a scale and range to define the region of coverage.

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