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October 15, 2019 08:32
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Example defined checking
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| // DON'T do this | |
| function when(expression, trueFn, falseFn) { | |
| if (expression) { | |
| return trueFn(); | |
| } | |
| if (falseFn) { | |
| return falseFn(); | |
| } | |
| return undefined; | |
| } |
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