JSFiddle - React, Tailwind, and code Playground

JavaScript

var O1 = [{'name':'one'}, {'name':'two'}, {'name':'three'}, {'name':'four'}, {'name':'five'}, {'name':'six'}];
var O2 = [{'name':'rat'}, {'name':'cat'}, {'name':'lion'}, {'name':'tiger'}, {'name':'dog'}, {'name':'horse'}];

var sortIt = [O1, O2];
_.each(sortIt, function(item) {
    _.sortBy(item, function(arr) {
        return arr.name;
    });
})

console.log(sortIt);