Create index.js latest

index.js latest

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+let employee = {
+    name: "John Doe",
+    streetAddress: "123 Main St"
+  };
+
+  // Function to update employee with key and value (non-destructively)
+  function updateEmployeeWithKeyAndValue(employee, key, value) {
+    return {
+      ...employee,
+      [key]: value
+    };
+  }
+
+  // Function to update employee with key and value (destructively)
+  function destructivelyUpdateEmployeeWithKeyAndValue(employee, key, value) {
+    employee[key] = value;
+    return employee;
+  }
+
+  // Function to delete property from employee object (non-destructively)
+  function deleteFromEmployeeByKey(employee, key) {
+    let newEmployee = { ...employee };
+    delete newEmployee[key];
+    return newEmployee;
+  }
+
+  // Function to delete property from employee object (destructively)
+  function destructivelyDeleteFromEmployeeByKey(employee, key) {
+    delete employee[key];
+    return employee;
+  }