JSFiddle - React, Tailwind, and code Playground

JavaScript

var arr = [{say: "hi"}, {say: "bye"}];

arr.sort(function(a,b) {
   if (a.say > b.say) {
      return 1;
   }
   if (a.say < b.say) {
      return -1;
   }
   return 0;
});

console.log(arr);