doc: add internal functionality details of util.inherits

PR-URL: nodejs#24755 Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
refack · Jan 10, 2019 · 760b9d6 · 760b9d6
1 parent 0feffff
commit 760b9d6
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/doc/api/util.md b/doc/api/util.md
@@ -332,6 +332,8 @@ Inherit the prototype methods from one [constructor][] into another. The
 prototype of `constructor` will be set to a new object created from
 `superConstructor`.
 
+This mainly adds some input validation on top of
+`Object.setPrototypeOf(constructor.prototype, superConstructor.prototype)`.
 As an additional convenience, `superConstructor` will be accessible
 through the `constructor.super_` property.