Chart Toolbar
Plotly provides an interactive toolbar for manipulating the chart.
The toolbar options typically include:
Hover Compare Data:
Compare data points by hovering over the chart.
Chart Reset:
Double-click in any point of the chart.
Download plot as a png
Save the current view of the chart as a PNG image.
Download current view as png. Enable zooming into the chart by 3 way:
Click and drag a rectangle on the chart to zoom into a specific area.
3 way to zoom using lent tool. Click the "Pan" button (cross icon) and then click and drag the chart to move around.
Moving around the chart unsing Pan button. Quickly zoom in or out of the chart with the "+" and "-" buttons.
Use "+" and "-" to zoom in/out. Axes Zoom and Reset
Using the axis slider in the bottom left corner of the graph, the scale of values can be expanded or narrowed.
Use the 'Autoscale' button to return to the original scales.
Reset Axes button also does the same thing.
Scale axes on the bottom left corner of the chart. 
