This interactive parallel coordinate plot visualizes the classic Iris dataset, comparing sepal and petal measurements across three flower species. Users can toggle between unified and per-axis scaling via a dropdown menu, with colored lines representing Iris setosa, versicolor, and virginica. The visualization uses D3 v5 APIs including d3.scalePoint, d3.scaleLinear, d3.axisLeft, and d3.drag, enabling axis reordering through drag interactions with smooth transitions. SVG paths render each observation, while the semi-transparent stroke width highlights overlapping data patterns across the four quantitative dimensions.