Created
September 8, 2013 20:27
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The JavaScript logical AND operator doesn't evaluate the second expression if the first is false. You can use this
to your advantage and save yourself from having to write a full if-statement:
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| // Instead of writing this: | |
| if ($('#elem').length) { | |
| // do something | |
| } | |
| // You can write this: | |
| $('#elem').length && alert("doing something"); |
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