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55 lines
1.0 KiB
Markdown
55 lines
1.0 KiB
Markdown
## console
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For printing to stdout and stderr. Similar to the console object functions
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provided by most web browsers, here the output is sent to stdout or stderr.
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### console.log()
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Prints to stdout with newline. This function can take multiple arguments in a
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`printf()`-like way. Example:
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console.log('count: %d', count);
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If formatting elements are not found in the first string then `util.inspect`
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is used on each argument.
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See [util.format()](util.html#util.format) for more information.
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### console.info()
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Same as `console.log`.
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### console.warn()
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### console.error()
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Same as `console.log` but prints to stderr.
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### console.dir(obj)
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Uses `util.inspect` on `obj` and prints resulting string to stderr.
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### console.time(label)
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Mark a time.
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### console.timeEnd(label)
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Finish timer, record output. Example
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console.time('100-elements');
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for (var i = 0; i < 100; i++) {
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;
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}
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console.timeEnd('100-elements');
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### console.trace()
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Print a stack trace to stderr of the current position.
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### console.assert()
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Same as `assert.ok()`.
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