add hint about cached data values

sgratzl · web-flow · commit 413a02538dbe · 2019-02-25T07:56:51.000+01:00
see #31
diff --git a/README.md b/README.md
@@ -171,6 +171,8 @@ interface IViolinItem extends IBaseItem {
 }
 ```
 
+**Note**: The statistics will be cached within the array. Thus, if you manipulate the array content without creating a new instance the changes won't be reflected in the stats. See also [CodePen](https://codepen.io/sgratzl/pen/JxQVaZ?editors=0010) for a comparison.
+
 ## Building
 
 ```sh

Original file line number	Diff line number	Diff line change
`@@ -171,6 +171,8 @@ interface IViolinItem extends IBaseItem {`
`171`	`171`	`}`
`172`	`172`	```
`173`	`173`
	`174`	`+Note: The statistics will be cached within the array. Thus, if you manipulate the array content without creating a new instance the changes won't be reflected in the stats. See also [CodePen](https://codepen.io/sgratzl/pen/JxQVaZ?editors=0010) for a comparison.`
	`175`	`+`
`174`	`176`	`## Building`
`175`	`177`
`176`	`178`	```sh