JSFiddle - React, Tailwind, and code Playground

JavaScript

var names = [{
  name: 'leon',
  id: 1
}, {
  name: 'laura',
  id: 20003
}, {
  name: 'anne',
  id: 45
}];

function sortBy(obj, key) {
  return obj.sort(function(a, b) {
    return a[key].localeCompare(b[key]);
  });
}

document.body.innerHTML = JSON.stringify(sortBy(names, 'name'));