console

console module

Console access object

Global object. Can be used for notification, alert and error log. By starting config file, the log can be located to different devices for easy tracking.

Static Function

log

Save normal log indo, same as info

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console.log(fmt,...args);

Parameter Usage:

• fmt: String, Format string
• args: …, Optional parameter list

Example：

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exports.hi = v => {
    console.log('hello :%s', "FIBOS")
};

Save normal level log info. Typically used to output none error information

Save normal log indo, same as info

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console.log(...args);

Parameter Usage:

• args: …, Optional parameter list

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exports.hi = v => {
    console.log('hello FIBOS')
};

Save normal level log info. Typically used to output none error information

debug

Save debug log

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console.debug(fmt,...args);

Parameter Usage:

• fmt: String, Format string
• args: …, Optional parameter list

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exports.hi = v => {
    console.debug('warn %s', 'FIBOS')
};

Save debug log。Typically used to output debug info. not important.

Save debug log

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console.debug(...args);

Parameter Usage:

• args: …, Optional parameter list

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exports.hi = v => {
    console.debug('warn FIBOS')
};

Save debug log。Typically used to output debug info. not important.

info

Record normal log info, same as log

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console.info(fmt,...args);

Parameter Usage:

• fmt: String, Format string
• args: …, Optional parameter list

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exports.hi = v => {
    console.info('hello :%s', 'FIBOS')
};

Save normal level log info. Typically used to output none error information

Record normal log info, same as log

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console.info(...args);

Parameter Usage:

• args: …, Optional parameter list

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exports.hi = v => {
    console.info('hello FIBOS')
};

Save normal level log info. Typically used to output none error information

notice

Record alert log info

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console.notice(fmt,...args);

Parameter Usage:

• fmt: String, Format string
• args: …, Optional parameter list

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exports.hi = v => {
    console.notice('hello :%s', 'FIBOS')
};

Record alert log info. Typically used to output informative debug info, normal important

Record alert log info

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console.notice(...args);

Parameter Usage:

• args: …, Optional parameter list

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exports.hi = v => {
    console.notice('hello FIBOS')
};

Record alert log info. Typically used to output informative debug info, normal important

warn

Record alert log info

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console.warn(fmt,...args);

Parameter Usage:

• fmt: String, Format string
• args: …, Optional parameter list

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exports.hi = v => {
    console.warn('hello :%s', 'FIBOS')
};

Record alert log info. Typically used to output warning debug info, important

Record alert log info

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console.warn(...args);

Parameter Usage:

• args: …, Optional parameter list

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exports.hi = v => {
    console.warn('hello FIBOS')
};

Record alert log info. Typically used to output warning debug info, important

error

Record error log info

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console.error(fmt,...args);

Parameter Usage:

• fmt: String, Format string
• args: …, Optional parameter list

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exports.hi = v => {
    console.error('hello %s', 'FIBOS')
};

Used to record error log info. Typically used to output error log, very important. System error messages are also recorded at this level.

Record error log info

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console.error(...args);

Parameter Usage:

• args: …, Optional parameter list

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exports.hi = v => {
    console.warn('hello FIBOS')
};

Used to record error log info. Typically used to output error log, very important. System error messages are also recorded at this level.

crit

Record key error log info

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console.crit(fmt,...args);

Parameter Usage:

• fmt: String, Format string
• args: …, Optional parameter list

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exports.hi = v => {
    console.crit('hello %s', 'FIBOS')
};

Used to record key error log info. Typically used to output key error log, very important.

Record key error log info

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console.crit(...args);

Parameter Usage:

• args: …, Optional parameter list

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exports.hi = v => {
    console.crit('hello FIBOS')
};

Used to record key error log info. Typically used to output key error log, very important.

alert

Record alert error log info

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console.alert(fmt,...args);

Parameter Usage:

• fmt: String, Format string
• args: …, Optional parameter list

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exports.hi = v => {
    console.alert('hello %s', 'FIBOS')
};

Used to record warning error log info. Typically used to output warning error log, very important. The highest level of information

Record alert error log info

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console.alert(...args);

Parameter Usage:

• args: …, Optional parameter list

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exports.hi = v => {
    console.alert('hello FIBOS')
};

Used to record warning error log info. Typically used to output warning error log, very important. The highest level of information

dir

Output object using JSON format

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console.dir(obj);

Parameter Usage:

• obj: Value, Define the object to show.

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exports.hi = v => {
    var a = {};
    console.dir(a);
};

trace

Output the current calling stack

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console.trace(label);

Parameter Usage:

• label: String, title，default is an empty string.

Prints the current call stack via log.

assert

Assertion test, if the test value is false, an error is reported

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console.assert(value,msg);

Parameter Usage:

• value: Value, Value to test
• msg: String, error message

Constant

FATAL

loglevel level constant

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const console.FATAL = 0;

ALERT

loglevel level constant

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const console.ALERT = 1;

CRIT

loglevel level constant

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const console.CRIT = 2;

ERROR

loglevel level constant

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const console.ERROR = 3;

WARN

loglevel level constant

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const console.WARN = 4;

NOTICE

loglevel level constant

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const console.NOTICE = 5;

INFO

loglevel level constant

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const console.INFO = 6;

DEBUG

loglevel level constant

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const console.DEBUG = 7;

PRINT

loglevel For output only, information output does not break lines, file and syslog do not save this level of information

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const console.PRINT = 9;

NOTSET

loglevel level constant

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const console.NOTSET = 10;