Instructions
- 1. Your final score will reflect your grasp of the concepts—approach each question with precision.
- 2. Thoroughly review each solution before proceeding to ensure full understanding.
- 3. Final results will be available after submission to provide insights into areas for further improvement.
- 4. Maintain academic integrity—plagiarism undermines learning and professional growth.
- 5. Once submitted, responses are final, so ensure you’re confident in your answers.
- 6. These challenges are designed to test practical knowledge; apply your skills as you would in real-world scenarios.
All Problems
Question
Action
What will be the output of this code? var x = 5; function test() { console.log(x); var x = 10; } test();
What will happen when you access a let variable before its declaration?
Which of the following is hoisted but not initialized?
How are variables declared using let hoisted?
What will the following code output? console.log(x); var x = 10;
How is a variable declared using var affected by hoisting?
Which keyword allows block-scoped variables in JavaScript?
What is the result of this code? let a = 3; { let a = 5; console.log(a); } console.log(a);
What is the scope of a variable declared with var outside of a function?
Which of the following is true about variable hoisting?