ES6 - Prevent Object Mutation

JavaScript
1

Tell us what’s happening:
I’ve written the code properly however I’m getting an error

// running tests

PI

should equal

3.14

. // tests completed
// console output
ReferenceError: object is not defined

Your code so far
function freezeObj() {
const MATH_CONSTANTS = {
PI: 3.14
};
// Only change code below this line
object.freeze(freezeObj);
// Only change code above this line
try {
MATH_CONSTANTS.PI = 3.14;
} catch(ex) {
console.log(ex);
}
return MATH_CONSTANTS.PI;
}
const PI = freezeObj();

function freezeObj() {
  const MATH_CONSTANTS = {
    PI: 3.14
  };
  // Only change code below this line
    object.freeze(freezeObj);
  // Only change code above this line
  try {
    MATH_CONSTANTS.PI = 3.14;
  } catch(ex) {
    console.log(ex);
  }
  return MATH_CONSTANTS.PI;
}
const PI = freezeObj();

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Challenge: ES6 - Prevent Object Mutation

Link to the challenge:

2

In this challenge you are going to use Object.freeze to prevent mathematical constants from changing.

Close, but the spelling needs to exactly match. object isn’t defined, but Object is!