Basic JavaScript - Testing Objects for Properties

Tell us what’s happening:
I do not understand the format of the code, why does the checkProp code in the return line have to be in brackets “return obj[chechProp]”

  **Your code so far**
function checkObj(obj, checkProp) {
// Only change code below this line
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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/ Safari/537.36

Challenge: Basic JavaScript - Testing Objects for Properties

Link to the challenge:

How else would you write it?

I thought I should write it as “return obj(checkProp)” but I don’t understand how the format works.

() is for calling a function. Obj isn’t a function.

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