Displays an interactive list of the properties of the specified JavaScript object.
Displays an interactive list of the properties of the specified JavaScript object. The output is presented as a hierarchical listing with disclosure triangles that let you see the contents of child objects.
MDN
Outputs an error message.
Outputs an error message. You may use string substitution and additional arguments with this method. See Using string substitutions.
MDN
Outputs an informational message to the Web Console.
Outputs an informational message to the Web Console. In Firefox, a small "i" icon is displayed next to these items in the Web Console's log.
MDN
For general output of logging information.
For general output of logging information. You may use string substitution and additional arguments with this method. See Using string substitutions.
MDN
Outputs a warning message.
Outputs a warning message. You may use string substitution and additional arguments with this method. See Using string substitutions.
MDN
The console object provides access to the browser's debugging console. The specifics of how it works vary from browser to browser, but there is a de facto set of features that are typically provided.
MDN