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January 11, 2016 15:43
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Closure - twice
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| // 1/5/2016 | |
| // write a function that will only increment a value twice | |
| // value starts at 0 | |
| // var twice = createFunc() | |
| // twice() => 1 | |
| // twice() => 2 | |
| // twice() => 2 | |
| // twice() => 2 | |
| // function createFunc() { | |
| // var value = 0; | |
| // function increment() { | |
| // if (value < 2) { | |
| // value++ | |
| // console.log(value) | |
| // } | |
| // else { | |
| // console.log('this shouldnt run because value is already two ', value) | |
| // } | |
| // } | |
| // return increment | |
| // } | |
| // var twice = createFunc() | |
| // twice() | |
| // twice() | |
| // twice() | |
| // twice() |
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nice