const dataArr = [[1,2],[5,6],[1,9],[5,6],[7,8]]
// ---- Checking Duplicate Varian ----
const checkDuplicateVarian = (data) => {
let dataForCheck = [];
let isDuplicate = false;
for (let x = 0; x < data.length; x += 1) {
dataForCheck = data[x];
for (let y = x + 1; y < data.length; y += 1) {
console.log(`Looping Awak ke-`, x);
if (dataForCheck.toString() === data[y].toString()){
isDuplicate = true;
break;
}
}
if(isDuplicate) break;
}
return isDuplicate;
};
console.log(checkDuplicateVarian(dataArr));
