98-382 Question #3: Real Exam Question with Answer & Explanation

You are designing a function that allows you to perform unit tests on other functions in a library. You will invoke each library function by using the eval JavaScript function. If an exception occurs when invoking a function, you want to display a message box with the following message: The function does not exist. How should you complete the code? To answer, select the appropriate code segment in the answer area. The provided code structure is: function unitTest(expression) { { // First block, needs a keyword eval(expression); } (err) { // Second block, needs a keyword alert("The function does not exist."); } }