Dayjs: .set doest not work with constructor parser

[paraself]

let d = dayjs('2018-09-28')
d.set('hour', 1)
d.set('minute', 2)
console.log(d.toDate())

.set dose not work at all.

[xxyuk]

Dayjs is immutable

[iamkun]

@paraself

let d = dayjs('2018-09-28')
let a = d.set('hour', 1).set('minute', 2)
console.log(d.toDate())
console.log(a.toDate())

[paraself]

Thanks guys, I did not realize Dayjs is immutable .;D