```javascript

generateCells () {

const cells= []

for (let i= 1; i<= this.config.rowNumber; i++) {

const row= []

for (let j= 1; j<= this.config.columnNumber; j++) {

row.push({

x: i,

y: j

})

}

cells.push(row)

}

console.log(cells,'cells')

return cells

},

```