javascript indexOf object value in array
// 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 indexOf object value in array
// 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);using index of on array of objects
arr = [{x: "a", y: 1}, {x: "something", y: 2}]
arr.findIndex(obj => obj.x === "a" && obj.y === 1);index of value in array
// for dictionary case use findIndex
var imageList = [
{value: 100},
{value: 200},
{value: 300},
{value: 400},
{value: 500}
];
var index = imageList.findIndex(img => img.value === 200);indexof object javascript
var hello = {
hello: 'world',
foo: 'bar'
};
var qaz = {
hello: 'stevie',
foo: 'baz'
}
var myArray = [];
myArray.push(hello,qaz);
var indexOfStevie = myArray.findIndex(i => i.hello === "stevie");findindex js
// findIndex(callback fn)
// .... return index (when condition meets)
// .... return -1 (if condition not meets)
const array = [5, 12, 8, 130, 44];
/// it returns the index of number which satisfy the condition true
const index = array.findIndex((item)=> item>10); //1
/// now we can check what element at that index...
console.log(array[index]); // array[1]Copyright © 2021 Codeinu
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