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liuderchi/medium-res-20180519.csv

Last active May 19, 2018 04:53
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medium-res-20180519.csv
語法 包含 Non-Enumerable 屬性？ 包含原型鍊? Note
'name' in person ✔️ ✔️ 範圍超過自己本身
Object.getOwnPropertyNames(person) ✔️ no
Object.keys(person) no no Enumerable props ONLY
for (let x in person) no ✔️ Enumerable props ONLY
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