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→{{header|JavaScript}}: The provided example code only shows the error message (e.g. "new Error('foo')" would display "foo", not the desired output)
(→{{header|JavaScript}}: The provided example code only shows the error message (e.g. "new Error('foo')" would display "foo", not the desired output)) |
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{{works with|Opera}}
{{untested|JavaScript}}
If the option at ''opera:config#UserPrefs|ExceptionsHaveStacktrace'' is enabled, uncaught exceptions will show their stack trace in the error console.
The following version works in many browsers but it infinitely loops when there is recursion:
<lang javascript>function foo () {
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