JSFiddle - React, Tailwind, and code Playground

JavaScript

var collectTime = (new Date("2011-12-21 09:58")).getTime(),
    deliverTime = (new Date("2011-12-22 09:58")).getTime();
if(deliverTime > collectTime) {
    console.log("ok");
}
else {
    console.log("error!");   
}