how to visualise/debug an imagemap?

Question

I\'m dynamically generating an imagemap for a chart tool I have.

I was hoping to be able to set a border or color on the area tags so I could check everything was be

Answer 1

One way to visualize an area tag in Chrome is to add a tabindex to the area tag(s) you want to see, and then click or tab to it. Chrome will nicely highlight the actual outline of the clickable area.

This solution unfortunately doesn't work in Firefox.