find in an array javascript code example

Example 1: 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);

Example 2: find object in array by property javascript

// Find an object with a given property in an array
const desiredObject = myArray.find(element => element.prop === desiredValue);