how to find a value in array of objects code example

Example 1: find particular object from array in js

let arr = [
    { name:"string 1", value:"this", other: "that" },
    { name:"string 2", value:"this", other: "that" }
];

let obj = arr.find(o => o.name === 'string 1');

console.log(obj);

Example 2: javascript find item in array of objects

var __POSTS = [ 
	{ id: 1, title: 'Apple', description: 'Description of post 1' }, 
	{ id: 2, title: 'Orange', description: 'Description of post 2' }, 
	{ id: 3, title: 'Guava', description: 'Description of post 3' }, 
	{ id: 4, title: 'Banana', description: 'Description of post 4' }
];

var __FOUND = __POSTS.find(function(post, index) {
	if(post.title == 'Guava')
		return true;
});

// On success __FOUND will contain the complete element (an object)
// On failure it will contain undefined  
console.log(__FOUND); // { id: 3, title: 'Guava', description: 'Description of post 3' }

Example 3: find particular object from array in js

let arr = [
    { name:"string 1", value:"this", other: "that" },
    { name:"string 2", value:"this", other: "that" }
];

let obj = arr.find((o, i) => {
    if (o.name === 'string 1') {
        arr[i] = { name: 'new string', value: 'this', other: 'that' };
        return true; // stop searching
    }
});

console.log(arr);

Example 4: 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 5: search an array of objects with specific object property value

var result = jsObjects.find(obj => {
  return obj.b === 6
})

Example 6: find a single element in array of objects javascript

myArray.find(x => x.id === '45').foo;