how to get object from array in javascript code example
Example 1: js create object from array
[
{ id: 10, color: "red" },
{ id: 20, color: "blue" },
{ id: 30, color: "green" }
].reduce((acc, cur) => ({ ...acc, [cur.color]: cur.id }), {})
//output:
{red: 10, blue: 20, green: 30}
Example 2: how to find id in array javascript
//The find() method returns the value of the first element in the provided array that satisfies the provided testing function.
const array1 = [5, 12, 8, 130, 44];
const found = array1.find(element => element > 10);
console.log(found);
// expected output: 12
Example 3: search an array of objects with specific object property value
// MDN Ref:
// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find
var result = jsObjects.find(obj => {
return obj.b === 6
});
Example 4: how to get array from object in javascript
let result = objArray.map(({ foo }) => foo)
Example 5: return an object from an array javascript
myArray.find(item => item.isAstronaut)
Example 6: object javascript match by property value
const inventory = [
{name: 'apples', quantity: 2},
{name: 'bananas', quantity: 0},
{name: 'cherries', quantity: 5}
];
function isCherries(fruit) {
return fruit.name === 'cherries';
}
console.log(inventory.find(isCherries));
// { name: 'cherries', quantity: 5 }