index.js

let name = prompt("Enter Your Name", "Guest");
setTimeout(() => {
    let time = new Date();
    if(time.getHours()<12 && time.getHours()>=0){
        alert("Good Morning " + name + ", Hope You are doing well. Welcome to our site, We provide best quality food at such an affordable price that you will not regret after ordering from our site.")
    }
    else if(time.getHours()>=12 && time.getHours()<=16){
        alert("Good Afternoon " + name + ", We  hope You are doing well. Welcome to our site, We provide best quality food at such an affordable price that you will not regret after ordering from our site.")
    }
    else if(time.getHours()>=16 && time.getHours()<=22){
        alert("Good Evening " + name + ", Hope You are doing well.  Welcome to our site, We provide best quality food at such an affordable price that you will not regret after ordering from our site.")
    }
    else if(time.getHours()>=22 && time.getHours()<24){
        alert("Hello " + name + ",We Hope You are doing well. Welcome to our site, We provide best quality food at such an affordable price that you will not regret after ordering from our site.")
    }
    
}, 4500);
let total = 0; 
function explore(){
    let show = document.getElementById('intca')
        if(show.style.display!='none'){
            show.style.display = 'none';
        }else{
            show.style.display = 'flex';
        }
    }       
    function none(id1, id2,id3, price){
        let a = document.getElementById('amtbtn');
        let b = document.getElementById(id1);
        let c = document.getElementById(id2);
        let d = document.getElementById(id3);
        d.style.display = 'none';
        c.style.display = 'flex';
        b.innerHTML = parseInt(b.innerHTML) + 1;
        total = total + price;
        a.innerHTML = total
    }

    function pay(id, id1,id2, ele , price){
            let b = document.getElementById(id1);
            let c = document.getElementById(id);
            let d = document.getElementById(id2);
            if(parseInt(b.innerHTML)>0){
        b.innerHTML = parseInt(b.innerHTML) + ele;
             let a = document.getElementById('amtbtn');
             total+=price;
        a.innerHTML = total
            }
            if(parseInt(b.innerHTML)==0){
                    c.style.display = 'none';
                    d.style.display = 'block'; 
            }
    }
    function apay(){
        let reference = Math.random()*10000000;
        let d = parseInt(reference)
        alert("Rs " + total + " Paid Succesfully, Thanks for choosing us. Your order will be delivered shortly with reference number: QO" +  d);
        total = 0;
        let a = document.getElementsByClassName('Reitem');
        let b = document.getElementsByClassName('mbutton')
        let c = document.getElementsByClassName('display')
        let e = document.getElementById('amtbtn');
        e.innerHTML = total;
        for(let i = 0; i<a.length; i++){
            a[i].style.display= 'none';
        }
        for(let j = 0; j<b.length; j++){
            b[j].style.display= 'block';
        }
        for(let j = 0; j<c.length; j++){
            c[j].innerHTML= 0;
        }

    }