Free CIW JavaScript Specialist Exam 1D0-735 Exam Practice Test

Which choice demonstrates the correct syntax for declaring a variable to represent the month in which a person was born?

• Var -birthMonth
  
• Var birthMonth
  
• Var ?birthMonth
  
• Var %birthMonth
  

What is the best practice for testing code to pinpoint a logic error within a script?

• Test the code in the W3C code validator.
  
• Conduct a manual, line-by-line, code review.
  
• Check for console errors when loading the page.
  
• Insert watchpoints and comment out code blocks.
  

Considering the following code:Var 1 ;For (I = 1; I < 10; I ++)What part of the code fragment initializes the counter variable?

• i ++
  
• i < 10;
  
• i = 1;
  
• Var 1;
  

Which of the following best describes how JavaScript communicates with databases when used with AJAX?

• It provides a limited set of database operations such as retrieving data and displaying it back to the originating Web page.
  
• It performs back-end database operations such as modifying the database schema.
  
• It is used to change database security permissions.
  
• It was designed to perform queries on databases.
  

Which of the following is a benefit of using a predefined library, such as JQuery?

• Predefined libraries provide improved Web page load times.
  
• Predefined libraries always provide step-by-step instructions on how to manually enter code to perform a specific task.
  
• Predefined libraries provide thoroughly tested code that reduces the amount of time it takes to enter and debug code .
  
• Predefined libraries provide proprietary code that works well in multiple platforms and coding environments.
  

Which of the following will correctly declare the courseNumber variable as a siring data type?

• var courseNumber = ''JS101'';
  
• var courseNumber = ''JS101'';
  
• var_courseNumber = JS101'';
  
• var courseNumber = JS101;
  

Laurie has been instructed to add code to a Web page to display the date and time when the document was last updated Which code should she use?

• document.write('Last Updated Updated '' + history.length);
  
• document.write('Last Updated '' navigator.appVersion);
  
• document.write('Last Updated '' + new Date());
  
• document.write ('Last Updated ' + document . lastModified) ;
  

What is the expected result when executing the following scripts in a web browser?

• A pop-up alert box will display Fair followed by a pop-up alert box displaying Bad
  
• A pop-up alert box will display Poor
  
• There is an error in the code, no pop-up alert box will appear
  
• Two pop-up alert boxes will appear one will display Fair and one will display Poor
  

Which of the following comparison statement will return true?A) X=10;Y=11;y--;x==yB) X=10;Y=11;Y++;x==y'C) X=11;Y=10;y--;x==y;D) X=11;Y=10;y-= 1;x==y

• Option A
  
• Option B
  
• Option C
  
• Option D
  

Which of the following is not a benefit of Web APIs?

• Web APIs are frameworks that make it easy to build applications over HTTP services that are accessible over a large range of clients.
  
• Web APIs provide an interface for developers to write code themselves instead of using APIs developed by others .
  
• Web APIs are best used to create resource-oriented services.
  
• Before Web APIs developers had to write the entire code for every task they needed to perform.