vConsole
A lightweight, extendable front-end developer tool for mobile web page
... development. You can destroy an vConsole instance object and remove vConsole panel from document. You can also add a new plugin to vConsole. Duplicate plugin will be ignored. Create an vConsole plugin object, bind plugin events to this object, and add this object to vConsole. While installing and running a plugin, vConsole will trigger some events to allow a plugin customizing it's functions.