Merge pull request #527 from DevExpress/update_doc

Update docs for item index in dxTemplate directive

Author: anna-zhernovkova

CHANGELOG.md

@@ -1,3 +1,9 @@
+## Unreleased
+
+### Features
+
+- An `index` has been added to the context object of the `dxTemplate` directive for collection widgets ([#523](https://github.com/DevExpress/devextreme-angular/commit/7f0c72b5e02960b4b4e89e5c4fb64be0cb8adbe0))
+
 ## 17.1.5
 
 - Release a stable version of `devextreme-angular`

README.md

@@ -223,8 +223,8 @@ of the dxList widget as follows:
 
 ```html
 <dx-list [grouped]="true" [items]="grouppedItems">
-    <div *dxTemplate="let itemData of 'item'">
-        {{itemData.someProperty}}
+    <div *dxTemplate="let itemData of 'item'; let itemIndex = index">
+        {{itemIndex}} - {{itemData.someProperty}}
     </div>
     <div *dxTemplate="let groupData of 'group'">
         {{groupData.someProperty}}