console: error() static method

The console.error() static method outputs an error message to the console.

Note: This feature is available in Web Workers

Syntax

error(obj1)
error(obj1, /* …, */ objN)
error(msg)
error(msg, subst1, /* …, */ substN)

obj1 … objN: A list of JavaScript objects to output. The string representations of each of these objects are appended together in the order listed and output to the console.
msg: A JavaScript string containing zero or more substitution strings, which are replaced with subst1 through substN in consecutive order.
subst1 … substN: JavaScript objects with which to replace substitution strings within msg. This gives you additional control over the format of the output. See Using string substitutions for a description of how substitutions work.