CIW JavaScript Specialist 1D0-735 Practice Test Questions

1. 1D0-735 Free Questions 1D0-735 Free Questions CIW JavaScript Specialist CIW JavaScript Specialist https://www.passquestion.com/ https://www.passquestion.com/1D0-735 1D0-735.html .html

2. Question 1 Question 1 Consider the following code: Consider the following code: <img onmousout=” sofaPic (this) “ src=”sofa.jpg” alt=”sofa”> <img onmousout=” sofaPic (this) “ src=”sofa.jpg” alt=”sofa”> Which of the following is true based on the above code? Which of the following is true based on the above code? A. The function sofaPic will be called upon when sofaPic image loads A. The function sofaPic will be called upon when sofaPic image loads B. The function sofaPic is called when the image fails to load B. The function sofaPic is called when the image fails to load C. The function sofaPic is called when the mouse pointer moves off the image C. The function sofaPic is called when the mouse pointer moves off the image D. The function sofaPic is called when the mouse pointer moves over the image D. The function sofaPic is called when the mouse pointer moves over the image Answer: B Answer: B

3. Question 2 Question 2 What is the best practice for testing code to pinpoint a logic error within a script? What is the best practice for testing code to pinpoint a logic error within a script? A. Test the code in the W3C code validator. A. Test the code in the W3C code validator. B. Conduct a manual, line-by-line, code review. B. Conduct a manual, line-by-line, code review. C. Check for console errors when loading the page. C. Check for console errors when loading the page. D. Insert watchpoints and comment out code blocks. D. Insert watchpoints and comment out code blocks. Answer: D Answer: D

4. Question 3 Question 3 What is the expected result when executing the following scripts in a web browser? What is the expected result when executing the following scripts in a web browser? A. A pop-up alert box will display Fair followed by a pop-up alert box displaying Bad A. A pop-up alert box will display Fair followed by a pop-up alert box displaying Bad B. A pop-up alert box will display Poor B. A pop-up alert box will display Poor C. There is an error in the code, no pop-up alert box will appear C. There is an error in the code, no pop-up alert box will appear D. Two pop-up alert boxes will appear one will display Fair and one will display Poor D. Two pop-up alert boxes will appear one will display Fair and one will display Poor Answer: A Answer: A

5. Question 4 Question 4 Which of the following is not a benefit of Web APIs? Which of the following is not a benefit of Web APIs? A. Web APIs are frameworks that make it easy to build applications over HTTP services that are A. Web APIs are frameworks that make it easy to build applications over HTTP services that are accessible over a large range of clients. accessible over a large range of clients. B. Web APIs provide an interface for developers to write code themselves instead of using APIs B. Web APIs provide an interface for developers to write code themselves instead of using APIs developed by others . developed by others . C. Web APIs are best used to create resource-oriented services. C. Web APIs are best used to create resource-oriented services. D. Before Web APIs developers had to write the entire code for every task they needed to perform. D. Before Web APIs developers had to write the entire code for every task they needed to perform. Answer: C Answer: C

6. Question 5 Question 5 Which of the following is a benefit of using a predefined library, such as JQuery? Which of the following is a benefit of using a predefined library, such as JQuery? A. Predefined libraries provide improved Web page load times. A. Predefined libraries provide improved Web page load times. B. Predefined libraries always provide step-by-step instructions on how to manually enter code to B. Predefined libraries always provide step-by-step instructions on how to manually enter code to perform a specific task. perform a specific task. C. Predefined libraries provide thoroughly tested code that reduces the amount of time it takes to C. Predefined libraries provide thoroughly tested code that reduces the amount of time it takes to enter and debug code . enter and debug code . D. Predefined libraries provide proprietary code that works well in multiple platforms and coding D. Predefined libraries provide proprietary code that works well in multiple platforms and coding environments. environments. Answer: B Answer: B

7. Question 6 Question 6 Which of the following is not a best practice when using JavaScript libraries? Which of the following is not a best practice when using JavaScript libraries? A. Developers should ensure the library functions they use are cross-browser compatible for the A. Developers should ensure the library functions they use are cross-browser compatible for the version of HTML they are using. version of HTML they are using. B. Developers should link to the library file and to each plug in script in the <head> section of the B. Developers should link to the library file and to each plug in script in the <head> section of the HTML document using the <script> tag. HTML document using the <script> tag. C. Developers should use plugins from a variety of JavaScript libraries to ensure compatibility. C. Developers should use plugins from a variety of JavaScript libraries to ensure compatibility. D. Developers should become familiar with one library then optimize HTML code with that specific D. Developers should become familiar with one library then optimize HTML code with that specific library in mind. library in mind. Answer: A Answer: A

8. Question 7 Question 7 Which choice demonstrates the correct syntax for declaring a variable to Which choice demonstrates the correct syntax for declaring a variable to represent the month in which a person was born? represent the month in which a person was born? A. Var -birthMonth A. Var -birthMonth B. Var birthMonth B. Var birthMonth C. Var ?birthMonth C. Var ?birthMonth D. Var %birthMonth D. Var %birthMonth Answer: C Answer: C

9. Question 8 Question 8 Jackson was testing his code when the Web browser became locked and he had to close it to stop the Jackson was testing his code when the Web browser became locked and he had to close it to stop the script What might he have accidentally done when coding his Web site? script What might he have accidentally done when coding his Web site? A. Coded an infinite loop A. Coded an infinite loop B. Coded a frame that breaks the same origin policy B. Coded a frame that breaks the same origin policy C. Coded an input element that is vulnerable to XSS C. Coded an input element that is vulnerable to XSS D. Coded deprecated HTML D. Coded deprecated HTML Answer: D Answer: D

10. Question 9 Question 9 Marshall's computer previously contracted malware because he unknowingly clicked on an infected Marshall's computer previously contracted malware because he unknowingly clicked on an infected link in a pop-up window. link in a pop-up window. What can he do to secure the Web browser so that he is protected in the future? What can he do to secure the Web browser so that he is protected in the future? A. Install the latest beta update for the Web browser A. Install the latest beta update for the Web browser B. Disable cookies in the Web browser B. Disable cookies in the Web browser C. Enable the pop-up blocker C. Enable the pop-up blocker D. Install anti-virus software D. Install anti-virus software Answer: A Answer: A

11. Question 10 Question 10 Which of the following is an advantage of using the Virtual DOM? Which of the following is an advantage of using the Virtual DOM? A. Rendering the virtual DOM is faster than rendering the regular browser DOM. A. Rendering the virtual DOM is faster than rendering the regular browser DOM. B. The virtual DOM updates each element when the layout of the DOM changes, meaning that the B. The virtual DOM updates each element when the layout of the DOM changes, meaning that the page always reflects the most current data from the server page always reflects the most current data from the server C. The Virtual DOM is not just a view layer, but also makes changes directly to the Web page C. The Virtual DOM is not just a view layer, but also makes changes directly to the Web page D. You can learn virtual DOM concepts and React libraries quickly because the libraries are simple D. You can learn virtual DOM concepts and React libraries quickly because the libraries are simple and concise and concise Answer: C Answer: C