javascript find max value in array of objects code example
Example 1: javascript array find highest value of array of objects by key
Math.max.apply(Math, array.map(function(o) { return o.y; }))
Example 2: 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 3: Obtain smallest value from array of objects in Javascript
myArray.sort(function (a, b) {
return a.Cost - b.Cost
})
var min = myArray[0],
max = myArray[myArray.length - 1]
Example 4: max value array of object javascript
Math.max(...arr.map(o => o.value));
Example 5: javascript find unique values in array of objects
var flags = [], output = [], l = array.length, i;
for( i=0; i<l; i++) {
if( flags[array[i].age]) continue;
flags[array[i].age] = true;
output.push(array[i].age);
}
Example 6: get all id from array of objects javascript
function getFields(input, field) {
var output = [];
for (var i=0; i < input.length ; ++i)
output.push(input[i][field]);
return output;
}
var result = getFields(objArray, "foo"); // returns [ 1, 3, 5 ]