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Javascript Logging

July 17, 2019 20:24

Javascript Logging (edit)

http://log4javascript.org/

https://www.npmjs.com/package/js-logger

http://www.songho.ca/misc/logger/logger.html

https://github.com/jonnyreeves/js-logger

CDN

https://unpkg.com/js-logger@1.6.0/src/logger.min.js

http://log4javascript.org/js/log4javascript_production.js

https://github.com/jonnyreeves/js-logger/blob/master/src/logger.js

https://github.com/SumoLogic/js-sumo-logger/blob/master/src/sumologic.logger.js

FormatDate.js

https://gist.githubusercontent.com/polygonplanet/7952234/raw/4766fe0ef44f90de215448579fa68ce2e6dcd34b/formatdate.js

/**
 * Format a date like YYYY-MM-DD.
 *
 * @param {string} template
 * @param {Date=} [date]
 * @return {string}
 * @license MIT
 */
function formatDate(template, date) {
  var specs = 'YYYY:MM:DD:HH:mm:ss'.split(':');
  date = new Date(date || Date.now() - new Date().getTimezoneOffset() * 6e4);
  return date.toISOString().split(/[-:.TZ]/).reduce(function(template, item, i) {
    return template.split(specs[i]).join(item);
  }, template);
}

console.log(formatDate('YYYY-MM-DD'));           // 2015-02-18
console.log(formatDate('MM/DD/YYYY, HH:mm:ss')); // 02/18/2015, 19:45:31
console.log(formatDate('今ss秒'));               // 今31秒

var date = new Date('2015-02-01T01:23:45.678Z');
console.log(formatDate('YYYY-MM-DD', date));           // 2015-02-01
console.log(formatDate('MM/DD/YYYY, HH:mm:ss', date)); // 02/01/2015, 01:23:45

Remove Duplicate Items

  • Lodash library
  • UnderScore library

Javascript Docs

https://github.com/jsdoc/jsdoc

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