registration.js

const slidePage = document.querySelector(".slide-page");
const nextBtnFirst = document.querySelector(".firstNext");
const prevBtnSec = document.querySelector(".prev-1");
const nextBtnSec = document.querySelector(".next-1");
const prevBtnThird = document.querySelector(".prev-2");
const nextBtnThird = document.querySelector(".next-2");
const prevBtnFourth = document.querySelector(".prev-3");
const submitBtn = document.querySelector(".submit");
const progressText = document.querySelectorAll(".step p");
const progressCheck = document.querySelectorAll(".step .check");
const bullet = document.querySelectorAll(".step .bullet");
let current = 1;

$(".firstNext").click(function(){
  slidePage.style.marginLeft = "-25%";
  bullet[current - 1].classList.add("active");
  progressCheck[current - 1].classList.add("active");
  progressText[current - 1].classList.add("active");
  current += 1;
});

$(".next-1").click(function(){
  slidePage.style.marginLeft = "-50%";
  bullet[current - 1].classList.add("active");
  progressCheck[current - 1].classList.add("active");
  progressText[current - 1].classList.add("active");
  current += 1;
});

$(".next-2").click(function(){
  slidePage.style.marginLeft = "-75%";
  bullet[current - 1].classList.add("active");
  progressCheck[current - 1].classList.add("active");
  progressText[current - 1].classList.add("active");
  current += 1;
});

$(".submit").click(function(){
  bullet[current - 1].classList.add("active");
  progressCheck[current - 1].classList.add("active");
  progressText[current - 1].classList.add("active");
  current += 1;
  setTimeout(function(){
    alert("New User Registered Successfully 👍 ");
    location.reload();
  },1000);
});

$(".prev-1").click(function(){
  slidePage.style.marginLeft = "0%";
  bullet[current - 2].classList.remove("active");
  progressCheck[current - 2].classList.remove("active");
  progressText[current - 2].classList.remove("active");
  current -= 1;
});

$(".prev-2").click(function(){
  slidePage.style.marginLeft = "-25%";
  bullet[current - 2].classList.remove("active");
  progressCheck[current - 2].classList.remove("active");
  progressText[current - 2].classList.remove("active");
  current -= 1;
});

$(".prev-3").click(function(){
  slidePage.style.marginLeft = "-50%";
  bullet[current - 2].classList.remove("active");
  progressCheck[current - 2].classList.remove("active");
  progressText[current - 2].classList.remove("active");
  current -= 1;
});