console.debug()
Outputs a message to the console at the debug log level.
Syntax
console.debug(...data)
Returns
undefined — Returns `undefined`.
Examples
console.debug("cache hit for key", "user:1");
Output
cache hit for key user:1
console.debug("value = %d", 42);
Output
value = 42
Notes
- Equivalent to `console.log()` but tagged at the "debug"/"verbose"
level, which is hidden by default in some browser consoles.
- Supports printf-style format specifiers.
Browser & runtime support
| Environment | Since version |
|---|---|
| chrome | 1.0 |
| firefox | 1.0 |
| safari | 4 |
| edge | 12 |
| node | 8.0 |