This video explains how nested selections work.
- [Instructor] In the last section, we saw that a data point…bound to a parent element could still be accessed…by a child element.…This is really important in D3, and in this section…we're going to expand on it.…You already know that D3 allows us to bind data…with elements, and that this link stays in place…unless you remove it or overwrite it.…But what I haven't mentioned yet is that D3…automatically matches lower level data…to lower level elements.…In this section, I'm going to demonstrate this…using code I have prepared earlier,…and that's this select.js.…
You can follow along creating the same files if you like…or you can put your pen and keyboard away…because the purpose of this section is to get…a concept across to you rather than to teach you a new tool.…So in order for you to see the finished article,…I need to just add some style decorations into the CSS.…So I'm gonna say that my rectangle should lightblue,…and I should have a nice border of cornflowerblue,…and I've got some circles in there,…and I'm gonna fill them with indianred,…
- Making a simple bar chart with D3
- Understanding SVG graphics
- Drawing basic shapes
- Adding text
- Using generators and the path element
- Creating a scale and axes
- Importing data into D3
- Creating trees and Voronoi tessellations
- Preparing your data for advanced graphics
- Adding interactivity and transitions
- Choosing the right graphic
- Finding D3.js plugins
Skill Level Intermediate
2. Making a Simple Bar Chart with D3
3. Basic Shapes, Courtesy of SVG
4. Advanced Shapes, with D3 and Path
5. Scales and Axes
6. Importing Data into D3
7. Additional Graphics with D3 Layout
8. Preparing Your Data for Advanced Graphics
10. Picking the Right Graphic
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