Console.log()

Niestandardowy
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

Wyświetla tekst w konsoli.

Uwaga: This feature is available in Web Workers.

Syntax

console.log(obj1 [, obj2, ..., objN]);
console.log(msg [, subst1, ..., substN]);

Parameters

obj1 ... objN: Lista obiektów JavaScript do wyświelenia. Podane obiekty są kolejno dołączane i przekazywane na wyjście.
msg: String JavaScript zawierający zero lub więcej stringów podmieniających.
subst1 ... substN: Obiekt JavaScript w którym zastępowane są stringi podmieniające z msg. Daje Ci to dodatkową kontrolę nad formatem.

Zobacz również Outputting text to the console w dokumentacji console.

Specifications

Specyfikacja	Status	Komentarz
Console API The definition of 'console.log()' in that specification.	Living Standard	Początkowa definicja

Browser compatibility

Update compatibility data on GitHub

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`log`	Chrome Full support Yes	Edge Full support 12	Firefox Full support 4	IE Full support 8	Opera Full support Yes	Safari Full support Yes	WebView Android Full support Yes	Chrome Android Full support Yes	Firefox Android Full support 4	Opera Android ?	Safari iOS ?	Samsung Internet Android ?
Substitution strings	Chrome Full support Yes Notes Full support Yes Notes Notes In version 28, if a negative value is passed to %d, it will be rounded down to the closest negative integer, so -0.1 becomes -1.	Edge Full support Yes	Firefox Full support 9	IE Full support 10 Notes Full support 10 Notes Notes %c is not supported, %d will render as 0 when it is not a number	Opera ?	Safari ?	WebView Android Full support Yes Notes Full support Yes Notes Notes In version 28, if a negative value is passed to %d, it will be rounded down to the closest negative integer, so -0.1 becomes -1.	Chrome Android Full support Yes Notes Full support Yes Notes Notes In version 28, if a negative value is passed to %d, it will be rounded down to the closest negative integer, so -0.1 becomes -1.	Firefox Android Full support 9	Opera Android ?	Safari iOS ?	Samsung Internet Android ?

Legend

Full support: Full support
Compatibility unknown: Compatibility unknown
See implementation notes.: See implementation notes.

Zobacz również

Opera Dragonfly documentation: Console
MSDN: Using the F12 Tools Console to View Errors and Status
Firebug wiki: Console API - Firebug supports additional features in its console.log() implementation, such as styled logging.
NodeJS: Console API