NodeJS Console
NodeJS Console
A NodeJS console module provides a simple debugging console similar to JavaScript console mechanism provided by web browsers. There are following console methods, which are used to write any NodeJS stream:-
| Console Methods | Description |
|---|---|
| log() | It is used to print standard output (stdout) with newline. |
| error() | It is used to print standard error (stderr) with newline. |
| warn() | It is an alias for error(). |
| info() | It is an alias for log(). |
| dir() | It uses util.inspect() on obj and prints the resulting string to standard output (stdout). |
| time() | It starts a timer which can be used to compute the duration of an operation. |
| timeEnd() | It stops a timer, started by calling time() and prints the result to standard output (stdout). |
| trace() | It is used to prints a stack trace to standard error (stderr) of the current position. |
| assert() | It tests whether an expression is true. False will throw an AssertionError with a message. |
console.log('Hello Tutorials Logic !');
console.error('Error');
console.warn('Warning');
console.info('Information');