game start button and routing react code example
Example: create tic tac toe game in react using jsx files
useEffect(()=>{
//checking winner row and col
for (let i = 0; i <= 2; i++){
const idx = (i % 3) * 3 // -> 0,3,6
//check row
if ( (table[idx] + table[idx+1] + table[idx+2] )=== 9 || (table[idx] + table[idx+1] + table[idx+2] ) === 15){
setWinner([idx,idx+1,idx+2])
gameOver()
}
//check col
if ((table[i] + table[i+3] + table[i+6] )=== 9 || (table[i] + table[i+3] + table[i+6] ) === 15){
setWinner([i,i+3,i+6])
gameOver()
}
}
//checking winner diagonal
if ((table[0] + table[4] + table[8] ) === 15 || (table[0] + table[4] + table[8] ) === 9 ){
setWinner([0, 4, 8])
gameOver()
}
if ((table[2] + table[4] + table[6] ) === 9 || (table[2] + table[4] + table[6] ) ===15){
setWinner([2, 4, 6])
gameOver()
}
// check if table completed
if (table.indexOf(0) === -1){
gameOver()
}
}, [table])