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
Which method is used to select an element by its ID?
What does querySelector return if no element matches the selector?
Which method returns a live HTML collection of all elements that have a specified class name?
Which of the following methods returns a static NodeList?
How would you select all <p> elements in the document?
How can you select the first element that matches a given CSS selector?
What does document.getElementsByClassName('container')[0] return?
Which of the following is true about querySelectorAll?
How would you select an element with a specific class in JavaScript?
If there are multiple elements with the same class name, which method will return all of them?