以下長いが、これ全部結果の型と値わかる？これ全部結果の型と値わかる？
10*[5]
10*["5"]
10+[5]
10*[null]
10*[undefined]
10*[true]
10*[]
10*{}
10*[5,6]
10+true
10-true
10+[true]
Math.min(1,5,null,10);
Math.min(1,5,undefined,10);
Math.min(1,5,[],10);
Math.min(1,5,{},10);
[] === []
!![] === !![]
Nan === NaN
~NaN
-NaN
parseInt(true)
parseInt([])
Number(true)
Number([])
"aa" === new String("aa")
"aa" == new String("aa")
[1,5,10,50].sort()
["aa",NaN,[2],[1],["a"],[NaN],{"0":2},{"0": 1}].sort()