My Favorite Tooltip: Complex Version

Here’s a graph that, when you move your mouse over it, shows the closest intersection point on the graph with lines that extend the full width of the graph (great for comparing the level across the graph) and down to the x-axis to get a rough feel for the date. As well as this, there is a subtle circle around the data point in question (as already explained in the previous section) and the actual date and value represented at ...