js find index of item in array code example
Example 1: find index of object in array javascript
a = [
{prop1:"abc",prop2:"qwe"},
{prop1:"bnmb",prop2:"yutu"},
{prop1:"zxvz",prop2:"qwrq"}];
index = a.findIndex(x => x.prop2 ==="yutu");
console.log(index);
Example 2: 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 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: get the index of object in array
var elementPos = array.map(function(x) {return x.id; }).indexOf(idYourAreLookingFor);
var objectFound = array[elementPos];