请回答以下代码的输出。
注意:以下代码挟带有可能弄哭可爱的 DevTools 的天理不容的代码,请勿直接在控制台中运行以查看结果。
a = 1
var b = 2
let c = 3
class D {
constructor(x) {
this.d = x
}
}
const d = new D(4)
D.prototype.d = 5
const e = [1, 6]
delete a
delete b
delete c
delete d.d
delete e[0]
console.log(1 in e ? e[0] : a, b, c, d.d)