feature(guide): added usage of default parameters (#19087)

When the default parameters are not in the end of the parameters list, they still can be used if you pass 'undefined' arguments.

client/src/pages/guide/english/javascript/es6/default-parameters/index.md

@@ -47,3 +47,9 @@ NotWorkingFunction(20, 30); // 50;
 ```
 
 Works fine.
+
+However, if you want to use the default first parameter, you can pass `undefined` as the first argument of the function call.
+
+```
+NotWorkingFunction(undefined, 30); // 40;
+```