var obj = {a:1,age:18,birthday:'2-14'};function demo(obj){ var a = []; //這句代碼什么鬼? for(a[a.length] in obj); return a; }
javascript in語(yǔ)法求解釋
30秒到達(dá)戰(zhàn)場(chǎng)
2019-02-25 16:15:30