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@ -9,8 +9,7 @@ |
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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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## console.log([data], [...]) |
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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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@ -21,15 +20,18 @@ 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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## console.info([data], [...]) |
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Same as `console.log`. |
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## console.warn() |
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## console.error() |
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## console.error([data], [...]) |
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Same as `console.log` but prints to stderr. |
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## console.warn([data], [...]) |
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Same as `console.error`. |
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## console.dir(obj) |
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Uses `util.inspect` on `obj` and prints resulting string to stdout. |
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@ -38,10 +40,9 @@ Uses `util.inspect` on `obj` and prints resulting string to stdout. |
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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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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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@ -49,12 +50,12 @@ Finish timer, record output. Example |
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} |
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console.timeEnd('100-elements'); |
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## console.trace() |
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## console.trace(label) |
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Print a stack trace to stderr of the current position. |
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## console.assert() |
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## console.assert(expression, [message]) |
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Same as `assert.ok()`. |
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Same as [assert.ok()](assert.html#assert_assert_value_message_assert_ok_value_message) |
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where if the `expression` evaluates as `false` throw an AssertionError with `message`. |
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