object find index 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: 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: findindex js
const array = [5, 12, 8, 130, 44];
const index = array.findIndex((item)=> item>10);
console.log(array[index]);
Example 4: find the index of an object in an array
const letters = [{letter: 'a'},{letter: 'b'},{letter: 'c'}]
const index = letters.findIndex((element, index) => {
if (element.letter === 'b') {
return true
}
})
Example 5: .findIndex(
array.findIndex(call back function)