Once the firebug is installed we can enable it by pressing the small bug icon on bottom left of the screen. Firebug which is an embeddable console implementation that. For this, first you need to load the page and open firebug. The microsoft edge devtools app introduces basic support for debugging pages on a remote machine via our newly released devtools protocol. This trace functionality can be fantastic for debugging more involved scripts, as it lets you know exactly from where your functions are being called. Debug and tune applications on the fly with firebug.