js array get index code example
Example 1: how to find the index of a value in an array in javascript
var list = ["apple","banana","orange"]
var index_of_apple = list.indexOf("apple")
Example 2: javascript findindex
const array1 = [5, 12, 8, 130, 44];
const search = element => element > 13;
console.log(array1.findIndex(search));
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));
Example 3: get index of element in array js
const beasts = ['ant', 'bison', 'camel', 'duck', 'bison'];
console.log(beasts.indexOf('bison'));
console.log(beasts.indexOf('bison', 2));
console.log(beasts.indexOf('giraffe'));
Example 4: js get index of item in array
array.indexOf("item");
Example 5: js array get index
var fruits = ["Banana", "Orange", "Apple", "Mango"];
return fruits.indexOf("Apple");
Example 6: how to get the index of an array in javascript
search = (arr, item) => { return arr.indexOf(item); }