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April 25, 2016 13:29
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Javascript - Closure
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| var add = (function () { | |
| var counter = 0; | |
| return function () {return counter += 1;} | |
| })(); | |
| add(); | |
| add(); | |
| add(); | |
| // the counter is now 3 |
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Example Explained
A closure is a variable assigned to a function.