JSFiddle - React, Tailwind, and code Playground

HTML

<span class="timenow"></span>

JavaScript

var time100=new time100()
function time100(){
var ca=0,tD=0,tout=0,updint=1000,tl="",u="undefined",i
var p={n:["%D0%92%D0%BE%D1%81%D0%BA%D1%80%D0%B5%D1%81%D0%B5%D0%BD%D1%8C%D0%B5.%D0%9F%D0%BE%D0%BD%D0%B5%D0%B4%D0%B5%D0%BB%D1%8C%D0%BD%D0%B8%D0%BA.%D0%92%D1%82%D0%BE%D1%80%D0%BD%D0%B8%D0%BA.%D0%A1%D1%80%D0%B5%D0%B4%D0%B0.%D0%A7%D0%B5%D1%82%D0%B2%D0%B5%D1%80%D0%B3.%D0%9F%D1%8F%D1%82%D0%BD%D0%B8%D1%86%D0%B0.%D0%A1%D1%83%D0%B1%D0%B1%D0%BE%D1%82%D0%B0.%D0%92%D1%81%D0%BA.%D0%9F%D0%BD%D0%B4.%D0%92%D1%82%D0%BE.%D0%A1%D1%80%D0%B4.%D0%A7%D1%82%D0%B2.%D0%9F%D1%82%D0%BD.%D0%A1%D1%83%D0%B1.%D0%AF%D0%BD%D0%B2%D0%B0%D1%80%D1%8C.%D0%A4%D0%B5%D0%B2%D1%80%D0%B0%D0%BB%D1%8C.%D0%9C%D0%B0%D1%80%D1%82.%D0%90%D0%BF%D1%80%D0%B5%D0%BB%D1%8C.%D0%9C%D0%B0%D0%B9.%D0%98%D1%8E%D0%BD%D1%8C.%D0%98%D1%8E%D0%BB%D1%8C.%D0%90%D0%B2%D0%B3%D1%83%D1%81%D1%82.%D0%A1%D0%B5%D0%BD%D1%82%D1%8F%D0%B1%D1%80%D1%8C.%D0%9E%D0%BA%D1%82%D1%8F%D0%B1%D1%80%D1%8C.%D0%9D%D0%BE%D1%8F%D0%B1%D1%80%D1%8C.%D0%94%D0%B5%D0%BA%D0%B0%D0%B1%D1%80%D1%8C.%D0%AF%D0%BD%D0%B2.%D0%A4%D0%B5%D0%B2.%D0%9C%D1%80%D1%82.%D0%90%D0%BF%D1%80.%D0%9C%D0%B0%D0%B9.%D0%98%D1%8E%D0%BD.%D0%98%D1%8E%D0%BB.%D0%90%D0%B2%D0%B3.%D0%A1%D0%B5%D0%BD.%D0%9E%D0%BA%D1%82.%D0%9D%D0%BE%D1%8F.%D0%94%D0%B5%D0%BA"],w:"%D0%BD%D0%B5%D0%B4%D0%B5%D0%BB%D1%8F ",W:"%D0%BD%D0%B5%D0%B4%D0%B5%D0%BB%D1%8F .n",dy:" %D0%B4%D0%B5%D0%BD%D1%8C"}
for(i in p)p[i]=decodeURIComponent(p[i])
p["n"]=p["n"].split(".")
this.init=function(cl){
if(tout!=0)clearInterval(time100.tout)
var i,j,q=[],c={},dF="%H:%i:%s"
for(i in cl){
cl[i]["p"]=""
if(typeof cl[i]["format"]!=u)dF=cl[i]["format"]
for(j in c)dF=dF.replace(/j/g,c[j])
cl[i]["format"]=dF
if(cl[i]["format"].indexOf("<sp")==-1)cl[i]["format"] = '<span>'+cl[i]["format"]+"</span>"
if(typeof cl[i]["v"]==u)q.push(cl[i]["id"])
}
this.ca=cl
if(0<q.length){
i=document.createElement("script")
i.setAttribute("src", "//time100.ru/api.php?type=cb&t="+new Date().getTime())
j=document.getElementsByTagName("head").item(0)
j.appendChild(i)
}
else...