Simple service for logging. Default implementation safely writes the message into the browser's console (if present).
The main purpose of this service is to simplify debugging and troubleshooting.
The default is to log debug messages. You can use ng.$logProvider#debugEnabled to change this.
Write a log message
Write an information message
Write a warning message
Write an error message
Write a debug message
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Licensed under the Creative Commons Attribution License 4.0.
https://code.angularjs.org/1.5.11/docs/api/ng/service/$log