Console Panel Firebug
Message types
The console knows four different types of messages, which are described below:Error: console.error(object[, object, ...]) Error messages occurring in JavaScript, CSS, XML, chrome, network and stack trace
Warning: console.warn(object[, object, ...]) Warnings occurring in JavaScript and CSS
Info: console.info(object[, object, ...]) Informative messages
Debug: console.debug(object[, object, ...]) Debugging messages