Answers for "filter array of objects javascript by id inside map function"

javascript filter array of objects by id

const myArray = [{id: 1, name:'pipi'}, {id: 2, name:'popo'}];
const id = 2;

const variableOne = myArray.filter(itemInArray => itemInArray.id === id);
console.log(cariableOne[0].name);

javascript filter array of objects by key

var data = { records : [{ "empid": 1, "fname": "X", "lname": "Y" }, { "empid": 2, "fname": "A", "lname": "Y" }, { "empid": 3, "fname": "B", "lname": "Y" }, { "empid": 4, "fname": "C", "lname": "Y" }, { "empid": 5, "fname": "C", "lname": "Y" }] }
var empIds = [1,4,5]
var filteredArray = data.records.filter(function(itm){
  return empIds.indexOf(itm.empid) > -1;
});

filteredArray = { records : filteredArray };