Created
December 22, 2016 11:32
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| for (prop in obj) { | |
| // 첫번째 방법 | |
| if ({}.hasOwnProperty.call(obj, prop)) { | |
| } | |
| // 두번째 방법 | |
| if (Object.prototype.hasOwnProperty.call(obj, prop)) { | |
| } | |
| } |
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