JavaScript Practice Test 9

1. What is the solution to the absence of a script tag without an src attribute?

2. Which of the following is a global object for a new worker?

3. During the traversing through the stack, where does it go after it goes to the window?

4. What is the purpose of the RegExp method test()?

5. Why is a closure template used?

6. In how many modes can the closure compiler be run?

7. What is the central concept of JavaScript memory management?

8. What is the parameter of the method getElementsbyTagName() if we need to get an image?

9. What is the purpose of the function parameter filetype?

10. Which of the following is a way to retain an object in memory?