JSFiddle - React, Tailwind, and code Playground

JavaScript

var a = [[12, 'AAA'], [58, 'BBB'], [289, 'CCC'],[18, 'DDD']];

a.sort();

// test it

s = '';
for (var i = 0; i < a.length; i++) {
    s += a[i][0] + ',' + a[i][1] + '\n';
}
alert(s);