Created
April 23, 2014 04:04
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use samplingRate to limit the frequency of event trigger
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| # Define samplingRate | |
| samplingRate = (interval) -> | |
| mark = 0 | |
| -> | |
| now = Date.now() | |
| return false if now - mark < interval | |
| mark = now | |
| # How to use | |
| sampling = samplingRate 1000 | |
| setInterval -> | |
| console.log 'called every 100ms' | |
| if sampling() | |
| console.log 'called every 1000ms' | |
| , 100 |
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