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41

This is too much for such a simple thing. see Tim Büthe answer
– vsync
Commented Nov 24, 2009 at 9:28
1

This is the correct answer. The 'length' method has the problem that it gives false positive with any number, for example: $(666).length // returns 1, but it's not a valid selector
– earnaz
Commented Sep 16, 2015 at 16:23
4

This is extremely expensive for very simple task. Just look into jquery implementation if .is() and you will see how much code it needs to process to answer you this simple question. Also it is not obvious what you want to do exactly, so it is same or maybe less elegant then solution in question.
– micropro.cz
Commented Feb 22, 2016 at 19:59

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create code fences with backticks ` or tildes ~
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like so
```
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def function(foo):
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```
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