I have tetris game (javascript) but when run my code will give error : topMostTruthyRow is assigned a value but never used.

I found 2 solutions but I don't how to solve it. :

1-use topMostTruthyRow in isfullyvisiable function , but I don't how to solve it.

2- try topMostTruthyRow (this.tetromino.shape) + this.topLeft.row

thanks

* Returns the smaLlest row values out of all the truthy elements * in a grid * @example topMostTruthyCol([[O, , ], [O, 1, 0]] = 1 var topMostTruthyRow = function (grid) { // Done var 1 , sma llestRow= null; var coords = truthCoords(grid); " tor (1 = ; 1 coordsli].row)( smallestRow = coords[i].row; return smallestRow; ActiveTetromino.prototype.isFullyvisiblefunction ) I /I Done return this. topLeft. row >= 0