sort on the innerproperty of an object

by Arvind Pal

JavaScript

let inpust = [{
  "1":[{
      date: "2020-04-01T13:44:12.578Z"
      }]
},{
  "2":[{
      date: "2020-03-30T13:44:12.578Z"
      }]
},{
  "3":[{
      date: "2020-04-01T13:44:12.578Z"
      }]
}]

inpust = inpust.sort((a, b)=>{
console.log("a",a)
let keyA = Object.keys(a)[0]
	let dataA = a[keyA][a[keyA].length-1];
let keyB = Object.keys(b)[0]
	let dataB = b[keyB][b[keyB].length-1];
  console.log("b", dataB)
 return new Date(dataB.date)-new Date(dataA.date)
 
})
console.log("inpust", inpust);