JavaScript Certification Test UPDATED ACTUAL Exam Questions
and CORRECT Answers
Sarah has created a JavaScript library, and now she wants to include it in her document. Which
of the following statements follows the correct syntax to link the library in her document? -
<script type="text/javascript" src="library.js"></script>
Which of the following information is not a part of the cookie header? - expires = date
Which of the following is not true of JavaScript plug-in? - Plug-ins cannot be used without the
library they depend upon; Every pre-made script is a library
How can a cookie be deleted using JavaScript? - By setting a passed expiration date
Which event is triggered on the <select> element when the selection is modified? - onchange
Which of the following methods will remove all the data from the storage? - localStorage.clear();
Which of the following initializes the HTTP request in an AJAX transaction? - The open()
method
What is a named memory block that serves as containers for a value called? - Operator
Variable
Which of the following solutions will not help in preventing XSS attacks? - Storing login
credentials in cookies for security
Which of the following characters is used as the escape character in JavaScript? - \
, Which of the following statements is not true of the XMLHttpRequest object? - It transfers the
data between a client and server
Which of the following statements is not true of the window object? - It is subordinate to the
navigator object
Which method of the history object is used to create a new history entry - pushState()
Which of the following objects is used to get information about the user's browser - navigator
Which of the following is a major advantage of using the appendChild() Method? - It can be
used to add elements to the DOM without overwriting the existing page
Which programming language is typically used in AJAX transactions to query databases? - SQL
Which of the following is true when using AJAX with databases? - AJAX can perform all back-
end database operations
Which of the following input types masks the value entered by users? - password
A user enters confidential data on a web site while performing a task. This data was redisplayed
on the Web page, after the task was completed. The data sent between the server and browser
was not encoded as HTML entities. Which of the following vulnerabilities will this result? -
Non-persistent XSS
Why does the Array.sort() method produce unreliable results when elements of an array are
numbers? - The sort() method treats numbers as strings and sorts them accordingly
Which method can be used to increase option elements in a select statement? - add()
and CORRECT Answers
Sarah has created a JavaScript library, and now she wants to include it in her document. Which
of the following statements follows the correct syntax to link the library in her document? -
<script type="text/javascript" src="library.js"></script>
Which of the following information is not a part of the cookie header? - expires = date
Which of the following is not true of JavaScript plug-in? - Plug-ins cannot be used without the
library they depend upon; Every pre-made script is a library
How can a cookie be deleted using JavaScript? - By setting a passed expiration date
Which event is triggered on the <select> element when the selection is modified? - onchange
Which of the following methods will remove all the data from the storage? - localStorage.clear();
Which of the following initializes the HTTP request in an AJAX transaction? - The open()
method
What is a named memory block that serves as containers for a value called? - Operator
Variable
Which of the following solutions will not help in preventing XSS attacks? - Storing login
credentials in cookies for security
Which of the following characters is used as the escape character in JavaScript? - \
, Which of the following statements is not true of the XMLHttpRequest object? - It transfers the
data between a client and server
Which of the following statements is not true of the window object? - It is subordinate to the
navigator object
Which method of the history object is used to create a new history entry - pushState()
Which of the following objects is used to get information about the user's browser - navigator
Which of the following is a major advantage of using the appendChild() Method? - It can be
used to add elements to the DOM without overwriting the existing page
Which programming language is typically used in AJAX transactions to query databases? - SQL
Which of the following is true when using AJAX with databases? - AJAX can perform all back-
end database operations
Which of the following input types masks the value entered by users? - password
A user enters confidential data on a web site while performing a task. This data was redisplayed
on the Web page, after the task was completed. The data sent between the server and browser
was not encoded as HTML entities. Which of the following vulnerabilities will this result? -
Non-persistent XSS
Why does the Array.sort() method produce unreliable results when elements of an array are
numbers? - The sort() method treats numbers as strings and sorts them accordingly
Which method can be used to increase option elements in a select statement? - add()
