d3js workshop - data binding
This example demonstrates how D3 selections target and manipulate specific DOM elements, showing the difference between selecting all matching elements versus a filtered subset. It highlights how chained selection methods like `selectAll` and `select` work, along with class and ID selectors, to update text content or append new nodes. The code uses the D3 v3 library, loading it from a CDN, and applies methods such as `select`, `selectAll`, `text`, and `append` to bind data-driven changes to a simple HTML structure containing two divs. No external data source is used; the example relies on static HTML content within the page.
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