javascript get object from array by property value code example

Example 1: js get array item by property

const jsObjects = [
  {id: 1, displayName: "First"}, 
  {id: 2, displayName: "Second"}, 
  {id: 3, displayName: "Third"}, 
  {id: 4, displayName: "Fourth"}
]

// You can use the arrow function expression:
var result = jsObjects.find(obj => {
	// Returns the object where
	// the given property has some value 
  	return obj.id === 1
})

console.log(result)

// Output: {id: 1, displayName: "First"}

Example 2: javascript find object by property in array

// To find a specific object in an array of objects
myObj = myArrayOfObjects.find(obj => obj.prop === 'something');

Example 3: js array find

var ages = [3, 10, 18, 20];

function checkAdult(age) {
  return age >= 18;
}
/* find() runs the input function agenst all array components
   till the function returns a value
*/
ages.find(checkAdult);