Check Duplicate Multi Dimensi Array Exact Same

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const arr = [[1,2,3],[5,6,7],[1,2,3],[1,2,9]]; // function isDuplicate(data){ // let dataForCheck = []; // for(let x=0;x<data.length;x++){ // dataForCheck = data[x]; // for(let y=x+1;y<data.length;y++){ // console.log('1. dataForCheck',dataForCheck); // console.log('2. dataCompare', data[y]); // if(dataForCheck.toString() === data[y].toString()) return true // } // } // } 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) { if (dataForCheck.toString() === data[y].toString()) isDuplicate = true; } } return isDuplicate ? true : false; }; // if(checkDuplicateVarian(arr)) console.log('ERROR DUPLICATE'); // else console.log('AMAN TANPA DUPLICATE') console.log(checkDuplicateVarian(arr))
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