javascript find largest number in array of objects code example

Example 1: javascript find largest number in array of objects

var peopleData = [
    { name: "Paul", height: 180, age: 21 },
    { name: "Johnny", height: 198, age: 43 },
    { name: "Brad", height: 172, age: 49 },
    { name: "Dwayne", height: 166, age: 15 }
];

//Find biggest height number
var maxHeight = 0;

for (var i = 0; i < heights.length; i++) {
    if (peopleData[i].height > maxHeight) {
        maxHeight = peopleData[i].height;
    }
}

Example 2: javascript array find highest value of array of objects by key

Math.max.apply(Math, array.map(function(o) { return o.y; }))

Example 3: How to find the max id in an array of objects in JavaScript

const shots = [
  {id: 1, amount: 2},
  {id: 2, amount: 4},
  {id: 3, amount: 52},
  {id: 4, amount: 36},
  {id: 5, amount: 13},
  {id: 6, amount: 33}
];

shots.reduce((acc, shot) => acc = acc > shot.amount ? acc : shot.amount, 0);

Example 4: filter biggest value javascript object

const max = data.reduce((prev, current) => (prev.y > current.y) ? prev : current)