Add tab endings

Author: castrodd

articles/azure-functions/functions-bindings-warmup.md

@@ -88,6 +88,8 @@ The following example shows a warmup trigger [JavaScript function](functions-ref
 
 :::code language="javascript" source="~/azure-functions-nodejs-v4/js/src/functions/warmupTrigger1.js" :::
 
+---
+
 # [Model v3](#tab/nodejs-v3)
 
 The following example shows a warmup trigger in a *function.json* file and a [JavaScript function](functions-reference-node.md) that runs on each new instance when added to your app.
@@ -116,6 +118,8 @@ module.exports = async function (warmupContext, context) {
 };
 ```
 
+---
+
 ::: zone-end
 ::: zone pivot="programming-language-typescript"
 # [Model v4](#tab/nodejs-v4)