//testLog.js var Log = require('log') , log = new Log(Log.INFO); log.debug('preparing email'); log.info('sending email'); log.error('failed to send email'); logã¢ã¸ã¥ã¼ã«ãrequireãã¦ãã°ã¬ãã«ãã³ã³ã¹ãã©ã¯ã¿ã«æ¸¡ãã¦ã¤ã³ã¹ã¿ã³ã¹åããdebugããinfoããã®ã¡ã½ããã§ã³ã³ã½ã¼ã«ã«åºåãã¦ãã¾ãã ããã§ã¯ãã°ã¬ãã«ãINFOã«æå®ãã¦ããã®ã§ãlog.debugã¯åºåããã¾ããã ä¾ãã°ãã°ã¬ãã«ãERRORã«æå®ããå ´åãlog.criticalã¯åºåããã¾ãããlog.warningã¯åºåããã¾ããã ãã®ãã°ã¬ãã«ã¯syslogã«æ¨¡ãããã®ã使ç¨ãã¦ããã以ä¸ã®ã¬ãã«ã«åé¡ããã¦ãã¾ããä¸ã®ã»ããéè¦åº¦ãç·æ¥åº¦ãé«


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