Answers for "filter out elements in array of objects javascript"

how to filter an array of objects in javascript

let arr=[{id:1,title:'A', status:true}, {id:3,title:'B',status:true}, {id:2, title:'xys', status:true}];
//find where title=B
let x = arr.filter((a)=>{if(a.title=='B'){return a}});
console.log(x)//[{id:3,title:'B',status:true}]

how to filter an array by list of objects in javascript

var array = ['Jane','Donna','Jim','Kate']
var objects = [{name:'Jane', age:25},{name:'Jim', age:30}]

//finds the items in the array that have names within the array of objects.
var filtered = array.filter(r => objects.findIndex(obj => obj.name == r) > -1 )
console.log(filtered)

javascript filter array of objects by array

var arr = [1,2,3,4],
    brr = [2,4],
    res = arr.filter(f => !brr.includes(f));
console.log(res);

javascript filter array of objects

let people = [
  { name: "Steve", age: 27, country: "America" },
  { name: "Jacob", age: 24, country: "America" }
];

let filteredPeople = people.filter(function (currentElement) {
  // the current value is an object, so you can check on its properties
  return currentElement.country === "America" && currentElement.age < 25;
});

console.log(filteredPeople);
// [{ name: "Jacob", age: 24, country: "America" }]