Language/JavaScript
Array.prototype.map.call()
idleday
2025. 1. 13. 12:12
4 methods are identical
- Array.prototype.map.call(dataSet, function)
- [].map.call(dataSet, function)
- dataSet.map(function)
- dataSet.map.call(dataSet, function)
아래 두 개는 dataSet으로 정확히 array를 넣어줘야함
[].map.call() VS Array.prototype.map.call()?
Why would one be preferred over the other? [].map.call(...) Array.prototype.map.call(...) Doing a quick test in jsPerf shows the Array.prototype way is more performant, although I read somewhere...
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