Add default values example for destructured function arguments

es6.md

@@ -232,6 +232,20 @@ greet({ name: 'Larry', greeting: 'Ahoy' })
 
 Destructuring of objects and arrays can be also be done in function arguments.
 
+### Default values in destructured function arguments
+
+```js
+function greet({ name = "Rauno", greeting = "Hello" } = {}) {
+	console.log(`${greeting}, ${name}!`);
+}
+```
+{: data-line="1"}
+
+```js
+greet() // Hello, Rauno!
+greet({ name: 'Larry' }) // Hello, Larry!
+```
+
 ### Reassigning keys
 
 ```js