Object.hasOwn

Author: GrosSacASac

js/red-javascript-style-guide/index.js

@@ -9,6 +9,7 @@ module.exports = {
         // overwrite
         "no-unused-vars": 1,
 
+        "prefer-object-has-own": 2,
         "curly": 2,
         "eqeqeq": 2,
         "no-caller": 2,

js/red-javascript-style-guide/readme.md

@@ -152,7 +152,11 @@ const object = [
 ];
 ```
 
-Use `Object.keys`, `Object.values`, `Object.entries` to convert it to an array, then use array methods to loop over an object. ```typeof x === `object` && x !== null``` for type checking.
+Use `Object.keys`, `Object.values`, `Object.entries` to convert it to an array, then use array methods to loop over an object.
+
+```typeof x === `object` && x !== null``` for type checking.
+
+`Object.hasOwn` to check the existence of a property-value pair.
 
 ### strings