| Spread for ASP.NET 8.0 Product Documentation > Client-Side Scripting Reference > Scripting Overview > Some Simple Uses of Client Scripting > Finding the Cell Under the Cursor | 
You can use client-side scripting to return which cell the mouse is over in the onmousemove or onmousehover events. This example changes the background color of the cell to red.
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                    <script language="javascript"> function window.onload() { FpSpread1.onmousemove = test; } function test() { var col = event.srcElement.cellIndex; var row = event.srcElement.parentElement.rowIndex - 1; //we have a hidden row used for internal use if((!isNaN(col)) && (!isNaN(row)) && (0<=row) && (row<FpSpread1.GetRowCount())) { var cell = FpSpread1.GetCellByRowCol(row,col); cell.style.backgroundColor = "red"; } } </script>  | 
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