Find object having maximum value for the `id` property in an array of objects

Question

In my array of objects, I want to find the object with the highest value for the id property.

Here is my array:

myArray = [   {     'id': '73',     'foo': 'bar'   },   {     'id': '45',     'foo': 'bar'   },   // … ]; 

Generally, I use $.grep to find values in an array, like this:

var result = $.grep(myArray, function (e) {     return e.id == 73; }); 

But in this case I need to provide a specific id value for the object I want to select.

Answer 1

The question states that he wants to find the object with the greatest id, not just the greatest id...

var myArray = [{'id':'73','foo':'bar'},{'id':'45','foo':'bar'}];  var max = myArray.reduce(function(prev, current) {     if (+current.id > +prev.id) {         return current;     } else {         return prev;     } });  // max == {'id':'73','foo':'bar'} 

Answer 2

const students = [   { id: 100, name: 'Abolfazl', family: 'Roshanzamir' },   { id: 2, name: 'Andy', family: 'Madadian' },   { id: 1500, name: 'Kouros', family: 'Shahmir' } ] 

If you want to find the object with max Id :

const item = students.reduce((prev, current) => (+prev.id > +current.id) ? prev : current)  // it returns  { id: 1500, name: 'Kouros', family: 'Shahmir' } 

If you want to find the object with min Id :

const item = students.reduce((prev, current) => (+prev.id < +current.id) ? prev : current) // it returns {id: 2, name: "Andy", family: "Madadian"} 

If you wnat to find the max Id :

const max = Math.max.apply(null, students.map(item => item.id)); // it returns 1500 

If you want to find the min Id :

const min = Math.min.apply(null, students.map(item => item.id)); // it returns 2