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“find index of object in array javascript” Code Answer’s

javascript indexOf object value in array

javascript by Itchy Impala on Sep 23 2020 Comment

// Get index of object with specific value in array
const needle = 3; // needle
const haystack = [{ id: 1 }, { id: 2 }, { id: 3 }]; // haystack
const index = haystack.findIndex(item => item.id === needle);

javascript get index of object in array

javascript by Daniel Stenson on Sep 23 2020 Donate Comments(1)

// Get index of object with specific value in array
const needle = 3;
const haystack = [{ id: 1 }, { id: 2 }, { id: 3 }];
const index = haystack.findIndex(item => item.id === needle);

how to find the index of a value in an array in javascript

javascript by Clumsy Crayfish on Feb 01 2020 Comment

var list = ["apple","banana","orange"]

var index_of_apple = list.indexOf("apple") // 0

javascript findindex

javascript by SmokeFrog

on Apr 20 2020 Comment

const array1 = [5, 12, 8, 130, 44];
const search = element => element > 13;
console.log(array1.findIndex(search));
// expected output: 3

const array2 = [
  { id: 1, dev: false },
  { id: 2, dev: false },
  { id: 3, dev: true }
];
const search = obj => obj.dev === true;
console.log(array2.findIndex(search));
// expected output: 2

Source: developer.mozilla.org

js find index in list

javascript by 0nline

on Jul 18 2020 Donate Comment

let myList = ['foo', 'bar', 'qux'];

myList.indexOf('bar');	// 1

get index of element in array js

javascript by vrai_gamin

on Oct 28 2020 Comment

const beasts = ['ant', 'bison', 'camel', 'duck', 'bison'];

beasts.indexOf('bison'); //ouput: 1

// start from index 2
beasts.indexOf('bison', 2); //output: 4

beasts.indexOf('giraffe'); //output: -1

Source: developer.mozilla.org

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