web logger: using the appropriate console function level

[rdlu]

It will be nice if we can use the native console filters to filter out the severity levels:

I have tons of debug messages, so just filtering out with the existing browser features it will help a lot!

References:

• https://css-tricks.com/a-guide-to-console-commands/
• https://developer.mozilla.org/en-US/docs/Web/API/console

Thanks! Keep up the amazing work!

[josevalim]

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