The console
method debug()
outputs a message to the web console at the "debug" log level. The message is only displayed to the user if the console is configured to display debug output.
Note: This feature is available in Web Workers.
Syntax
console.debug(obj1 [, obj2, ..., objN]); console.debug(msg [, subst1, ..., substN]);
Parameters
obj1
...objN
- A list of JavaScript objects to output. The string representations of each of these objects are appended together in the order listed and output to the console.
msg
- A JavaScript string containing zero or more substitution strings, which are replaced with
subst1
throughsubstN
in consecutive order. subst1
...substN
- JavaScript objects with which to replace substitution strings within
msg
. This gives you additional control over the format of the output. See Using string substitutions in console for a description of how substitutions work.
See Outputting text to the console in the documentation of the console
object for details.
Specifications
Specification | Status | Comment |
---|---|---|
Console API The definition of 'console.debug()' in that specification. |
Living Standard | Initial definition |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
debug | Chrome Full support Yes | Edge Full support 12 | Firefox Full support 4 | IE Full support Yes | Opera ? | 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 Full support Yes |
Substitution strings | Chrome
Full support
Yes
| Edge
Full support
12
| Firefox Full support 9 | IE
Full support
10
| Opera ? | Safari ? | WebView Android
Full support
Yes
| Chrome Android
Full support
Yes
| Firefox Android Full support 9 | Opera Android ? | Safari iOS ? | Samsung Internet Android
Full support
Yes
|
Legend
- Full support
- Full support
- Compatibility unknown
- Compatibility unknown
- See implementation notes.
- See implementation notes.