![]() ![]() ![]() ![]() The console module cannot perform many custom configurations. This method has some limitations, such as the inability to structure it or add log levels. Using the console module we can log messages on both the stdout and stderr.Ĭonsole.log('some msg') will print msg to the standard output (stdout).Ĭonsole.error('some error') will print error to the standard error (stderr). The default logging tool in Node.js is the console. These are all important messages to log out in our applications System or application changes, data changes (creation and deletion). Threats: Invalid inputs and security issues are common threats to log out, such as invalid API keys, failed security verification, failed authentication, and other warnings triggered by the application’s security features.Įvents/Changes: Button click, changing context, etc. Resources: Exhausted resources, exceeded capacities, and connectivity issues are all resource-related issues to log.Īvailability: It is recommended to include a log statement to check the application runtime when the application session starts/stops.Īvailability logs contain faults and exceptions like the system’s availability and stability. Services like authentication, authorizations, system access, data access, and application access. Requests: This records the execution of services in our application. Here is a list of possible events that our application should log. However, logs can be used for a variety of things including studying application systems, improving business logic and decisions, customer behavioural study, data mining, etc. Most applications use logs for the purpose of debugging and troubleshooting. This article is accompanied by a working code example on GitHub. Large-scale applications should have error/event logs, especially for significant and high-volume activity. Logging is a great way to retrace all steps taken prior to an error/event in applications to understand them better. Logging is used to provide accurate context about what occurs in our application, it is the documentation of all events that happen within an application. ![]()
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