Answers for "how to sort an array by data type in javascript"

javascript sort array with objects

var array = [
  {name: "John", age: 34},
  {name: "Peter", age: 54},
  {name: "Jake", age: 25}
];

array.sort(function(a, b) {
  return a.age - b.age;
}); // Sort youngest first

array sort by key javascript

function sortByKey(array, key) {
  return array.sort((a, b) => {
    let x = a[key];
    let y = b[key];
    
    return ((x < y) ? -1 : ((x > y) ? 1 : 0));
  });
}