The Power of Function Calling Quiz
Test your knowledge of function calling and see how well you can score!
Question 1 of 10The Power of Function Calling Quiz
Idyllic quiz The Power of Function Calling Quiz All 10 questions
- What is a function call in programming?A way to plan program execution · A command to execute a specific set of instructions · A type of syntax used in comments · An error-handling routine
- Which of the following is NOT a benefit of using function calls?Code reusability · Improved readability · Easier error tracing · Slower execution speed
- In JavaScript, how do you call a function named 'calculateSum'?calculateSum{}; · call calculateSum(); · calculateSum(); · func calculateSum();
- What does it mean to 'pass arguments' to a function?Providing an identifier for the function · Setting a return value for the function · Supplying inputs that the function will process · Leaving the function without inputs
- Which of the following can be a valid return type of a function?String · Number · Boolean · All of the above
- What keyword is used to exit a function and optionally return a value in JavaScript?break · exit · end · return
- How can you store the result of a function call in a variable in JavaScript?function result = myFunction(); · var result = myFunction(); · call result = myFunction(); · myFunction(result);
- What is recursion in the context of function calls?A function that only calculates values · A function calling itself · A function that doesn't accept arguments · None of the above
- What happens if a function does not include a 'return' statement?It returns undefined · It returns null · It throws an error · It returns an empty string
- Which technique helps prevent issues in program flow when one function calls another?Function hoisting · Closures · Callbacks and Promises · Strict Mode