JSFiddle - React, Tailwind, and code Playground

by vi161

JavaScript

let obj = {
	11: {
  	id: 2,
    TitleNumber: 22
  },
  12: {
  	id: 3,
    TitleNumber: 23
  },
  13: {
  	id: 4,
    TitleNumber: 24
  },
  14: {
  	id: 5,
    TitleNumber: 25
  }
}
let newObj = _.filter(obj, (el) => {
	return el.id <= 4
}).map((el) => el.TitleNumber)
console.log(newObj);