akindofcode
diff --git a/‎04_data.md‎
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diff --git a/‎11_async.md‎
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@@ -956,6 +956,17 @@ console.log("  okay \n ".trim());
 // → okay
 ```
 
+{{index "repeat method"}}
+
+A string can be repeated with the `repeat` method, which creates a new
+string containing multiple copies of the original string, glued
+together.
+
+```
+console.log("LA".repeat(3));
+// → LALALA
+```
+
 {{index ["length property", "for string"], [string, indexing]}}
 
 We have already seen the string type's `length` property. Accessing
 
@@ -1012,7 +1012,7 @@ result of the `await` expression.
 
 ## The event loop
 
-{{index "asynchronous programming", scheduling, "event loop"}}
+{{index "asynchronous programming", scheduling, "event loop", timeline}}
 
 Asynchronous programs are executed piece by piece. Each piece may
 start some actions, and schedule code to be executed when the action