get highest number in array of object javascript 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; }))