This interactive scatter plot visualizes the Iris dataset, displaying measurements of sepal length, sepal width, petal length, and petal width. Users can dynamically select which numerical attribute appears on the X and Y axes via HTML dropdown menus, with points colored by iris species (setosa, versicolor, virginica). The visualization uses D3 v7 with SVG rendering, implementing `scaleLinear`, `extent`, `axisLeft`, and `axisBottom` APIs. The chart redraws its axes and circles whenever a different attribute is chosen, with the y-axis dropdown preventing selection of the same attribute as the x-axis.