JSFiddle - React, Tailwind, and code Playground
by sjmcpherson
JavaScript
var myObj =
{"3":["c","d"], "3.5":["j","k"], "1.5":["a","b"], "2.5":["x","y"] },
keys = Object.keys(myObj),
i, len = keys.length;
keys.sort();
for (i = 0; i < len; i++)
{
var a = keys[i];
console.log(a + ':' + myObj[a]);
}