Pls help me I cant solve this and pls tell me what to add or what I did wrong

JavaScript
1

Tell us what’s happening:
Describe your issue in detail here.

  **Your code so far**


function checkObj(obj, checkProp) {
// Only change code below this line
var obj = {
  pet: "kitten",
  bed: "sleigh",
gift: "pony",
city: "Seattle"

};
if(obj.hasOwnProperty(checkProp)){
 return obj[checkProp];
 }
 else {
   return 'Not Found';
 }
 
// Only change code above this line 
}

  **Your browser information:**

User Agent is: Mozilla/5.0 (Linux; Android 9; SM-T510) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.115 Safari/537.36

Challenge: Testing Objects for Properties

Link to the challenge:

2

What is the reason for declaring this variable in the body of the function?

3

You will be given an obj in the function parameters. By creating one, you’ve deleted the one you’re given.