script.js

console.log("Welcome To Our Game")
let turn="X"
let isgameover= false
const CT=()=>{
    return turn === "X"?"O":"X"
}
const checkWin = ()=>{
    let boxtext = document.getElementsByClassName('boxtext');
    let wins = [
        [0, 1, 2, 5, 5, 0],
        [3, 4, 5, 5, 15, 0],
        [6, 7, 8, 5, 25, 0],
        [0, 3, 6, -5, 15, 90],
        [1, 4, 7, 5, 15, 90],
        [2, 5, 8, 15, 15, 90],
        [0, 4, 8, 5, 15, 45],
        [2, 4, 6, 5, 15, 135],
    ]
    wins.forEach(e =>{
        if((boxtext[e[0]].innerText === boxtext[e[1]].innerText) && (boxtext[e[2]].innerText === boxtext[e[1]].innerText) && (boxtext[e[0]].innerText !== "") ){
            document.querySelector('.info').innerText = boxtext[e[0]].innerText + " Won"
            isgameover = true
        }
    })
}

let boxes = document.getElementsByClassName("box");
Array.from(boxes).forEach(element =>{
    let boxtext = element.querySelector('.boxtext');
    element.addEventListener('click', ()=>{
        if(boxtext.innerText === ''){
            boxtext.innerText = turn;
            turn = CT();
            checkWin();
            if (!isgameover){
                document.getElementsByClassName("info")[0].innerText  = "Turn for " + turn;
            } 
        }
    })
})

reset.addEventListener('click', ()=>{
    let boxtexts = document.querySelectorAll('.boxtext');
    Array.from(boxtexts).forEach(element => {
        element.innerText = ""
    });
    turn = "X"; 
    isgameover = false
    document.querySelector(".line").style.width = "0vw";
    document.getElementsByClassName("info")[0].innerText  = "Turn for " + turn;
})