如何将 JS Array.sort() 与具有不同属性的对象一起使用

Question

So I have these Objects:

let obj1 = { from: Date, to: Date }
let obj2 = { date: Date }

They are in an Array:

let arr = [ obj1, obj2 ]

Now I want to sort the objects inside the array with arr.sort(). But I can't figure out how to use the property "from" for the object that has this property OR "date" for the other... I think there's an easy solution to that but I can't find anything related to this.

Answer 1

 let obj1 = { from: new Date(345635), to: new Date(454567) } let obj2 = { date: new Date(1230464) } let arr = [ obj1, obj2 ]; const sorted = arr.sort((a, b) => ((a.from || a.date) - (b.from || b.date))) console.log(sorted)