First, let's talk about the data binding. The tutorial assumes that the data for the line chart is already bound to the chart's line element, not to the entirety of the D3 code. This is incorrect. In ...

- Stop tutorial hell. Watching videos is not learning. Build things. Spend two hours building for every hour of watching. - Handle async code. JavaScript moves on before data arrives. You get ...

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Vega is a visualization grammar, a declarative format for creating, saving, and sharing interactive visualization designs. With Vega you can describe data visualizations in a JSON format, and generate ...