# Top 10 Rule

## Content

The top 10 rule checks for values in the top or bottom of the range.

![](https://gcdocumentsitekrblob.blob.core.windows.net/document-site-files/images/8d606653-16a0-474d-b9dc-e2b4d01c2446/images/top10rule.png)

The following code sample creates a top 10 rule.

```javascript
var style = new GC.Spread.Sheets.Style();
style.backColor = "red";
var ranges=[new GC.Spread.Sheets.Range(0,0,10,1)];
activeSheet.conditionalFormats.addTop10Rule(GC.Spread.Sheets.ConditionalFormatting.Top10ConditionType.Top, 2, style, ranges);
activeSheet.setValue(0, 0, 1);
activeSheet.setValue(1, 0, 50);
activeSheet.setValue(2, 0, 11);
activeSheet.setValue(3, 0, 5);
```