loglevel

Minimal lightweight logging for JavaScript, adding reliable log level methods to any available console.log methods

v1.9.2 URL: https://unpkg.com/loglevel@1.9.2/lib/loglevel.js

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log logger logging browser

loglevelnext

A modern logging library for Node.js and modern browsers that provides log level mapping to the console

v6.0.0 URL: https://unpkg.com/loglevelnext@6.0.0/dist/index.js

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browser console debug error level levels log logger logging loglevel persist persistent plugins prefix trace warn

@boost/log

Lightweight level based logging system.

v5.0.0 URL: https://unpkg.com/@boost/log@5.0.0/mjs/index.mjs

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boost log logger logging levels

console-log-level

The most simple logger imaginable

v1.4.1 URL: https://unpkg.com/console-log-level@1.4.1/index.js

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log logging logger console console.log stdout stderr

fancy-log-levels

Log things, prefixed with a timestamp and level. Choose what to log, based on verbosity level.

v1.0.0 URL: https://unpkg.com/fancy-log-levels@1.0.0/index.js

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console.log log logger logging pretty timestamp