The Console object provides access to the browser's debugging console (e.g., the Web Console in Firefox). The specifics of how it works vary from browser to browser, but there is a de facto set of features that are typically provided.
Documentation Console by Mozilla Contributors, licensed under CC-BY-SA 2.5.
See:
Methods
assert (condition:Bool, data:Rest<Dynamic>):Void
Log a message and stack trace to console if first argument is false.
count (data:Rest<Dynamic>):Void
Log the number of times this line has been called with the given label.
Displays an interactive listing of the properties of a specified JavaScript object. This listing lets you use disclosure triangles to examine the contents of child objects.
dirxml (data:Rest<Dynamic>):Void
Displays an XML/HTML Element representation of the specified object if possible or the JavaScript Object view if it is not.
error (data:Rest<Dynamic>):Void
Outputs an error message. You may use string substitution and additional arguments with this method.
group (data:Rest<Dynamic>):Void
Creates a new inline group, indenting all following output by another level. To move back out a level, call groupEnd().
groupCollapsed (data:Rest<Dynamic>):Void
Creates a new inline group, indenting all following output by another level; unlike group(), this starts with the inline group collapsed, requiring the use of a disclosure button to expand it. To move back out a level, call groupEnd().
info (data:Rest<Dynamic>):Void
Informative logging information. You may use string substitution and additional arguments with this method.
For general output of logging information. You may use string substitution and additional arguments with this method.
profile (data:Rest<Dynamic>):Void
Starts the browser's build-in profiler (for example, the Firefox performance tool). You can specify an optional name for the profile.
profileEnd (data:Rest<Dynamic>):Void
Stops the profiler. You can see the resulting profile in the browser's performance tool (for example, the Firefox performance tool).
Starts a timer with a name specified as an input parameter. Up to 10,000 simultaneous timers can run on a given page.