update function implemenation in contain.js file to use Object.haOwn approach

marthak1 · marthak1 · commit 42a2aae825dc · 2026-04-06T00:45:09.000+01:00
diff --git a/Sprint-2/implement/contains.js b/Sprint-2/implement/contains.js
@@ -2,7 +2,7 @@ function contains(obj, targetKey) {
   if (obj.constructor !== Object) {
     throw new Error("Invalid Parameter");
   }
-  return Object.keys(obj).includes(targetKey);
+  return Object.hasOwn(obj, targetKey);
 }
 
 module.exports = contains;

Original file line number	Diff line number	Diff line change
`@@ -2,7 +2,7 @@ function contains(obj, targetKey) {`
`2`	`2`	`if (obj.constructor !== Object) {`
`3`	`3`	`throw new Error("Invalid Parameter");`
`4`	`4`	`}`
`5`		`- return Object.keys(obj).includes(targetKey);`
	`5`	`+ return Object.hasOwn(obj, targetKey);`
`6`	`6`	`}`
`7`	`7`
`8`	`8`	`module.exports = contains;`