Question No: 2

You are developing a Web page for your company's site, and you plan to use a library plug-in from the jQuery library. Which choice describes the proper steps for using the plug- in?

A. After locating the plug-in that you want to use, you then copy the code from the jQuery site and paste it into your CSS file using the <script>tag.

B. After locating the plug-in that you want to use, you then download the EXE file and install it on your browser. The plug-in will take effect afteryou restart the browser.

C. After locating the plug-in that you want to use, you download the plug-in, compile the code and upload it to your server, then you reference thecompiled code with a <script> tag in your X/HTML file.

D. After locating the plug-in you want to use, you add to your X/HTML file a <script> tag referencing the jQuery library and a <script> tagreferencing the external plug-in file.

View Answer

Question No: 3

Which is the best technique to test a script for cross-browser compatibility?

A. Use the W3C site's code validator to test the script.

B. Test the script in various versions of the same browser.

C. Test the script in various browsers, including various versions of the same browsers.

D. Determine the most frequently used browser for your target audience and then test the script in that browser.

View Answer

Question No: 4

Consider the following code using a checkbox object:

Which checkbox property was used by JavaScript?

A. checked

B. onclick()

C. checkThis

D. z-index

View Answer

Question No: 5

You want to display a series of elements. Which choice demonstrates the correct syntax for an array in JavaScript?

A. var myArray = Array(1,2,3,4,5) for (var i = 0; i < myArray.[i]; i++ ){

document.write( myArray[i] + "<br />" );

B. var myArray = new Array(1,2,3,4,5) for (var i = 0; i < myArray.length ; i++ ){ document.write( myArray[i] + "<br />" );

C. var myArray = new Array(1,2,3,4,5) for (var i = 1; i < myArray.length; i-- ){

document.write( myArray.length + "<br />" );

D. var myArray = Array(1,2,3,4,5) for (var i = 1; i < myArray.[i] ; i-- ){

document.write( myArray[i] + "<br />" );

View Answer

Question No: 6

Consider the following declaration of a custom object:

What needs to be changed to allow this script to run without error?

A. You must remove the car_ prefix on the parameters.

B. You must change the declaration syntax to object carObj.

C. You must add the this keyword to the variables on the left side of the assignments.

D. You must add the keyword var to each line inside the function.

View Answer

Question No: 7

Consider the following code:

What is the expected result when you run this script in the browser?

A. A window alert box will display Hello.

B. A window alert box will display Goodbye.

C. No window alert box will appear because there is an error in the code.

D. A window alert box will display Hello then a second alert box will display Goodbye.

View Answer

Question No: 8

Consider the following code:

Which statement could be used to determine the value of the first radio button?

A. document.rdoGroup1.value

B. document.myForm.rdoGroup1[0].value

C. document.getElementById(rdoGroup1).value

D. document.getElementById("rdoGroup1").value

View Answer

Question No: 9

Which of the following is a practice associated with the security risk known as cross-site scripting (XSS)?

A. Inserting JavaScript code in a URL query string to perform an unintended or malicious action

B. Using a look-alike site to impersonate a trusted site so the user will enter sensitive information

C. Using a certificate authority validation to persuade users to accept a specialized script that can override certain security restrictions in thebrowser

D. Launching a JavaScript statement that has no conditions for ending, thus requiring the user to close the browser in order to end the script

View Answer

Question No: 10

Which of the following will correctly declare the EmployeeID variable as a string data type?

A. string EmployeeID = 123;

B. string EmployeeID = "123";

C. var EmployeeID = 123;

D. var EmployeeID = "123";

View Answer

Question No: 11

Consider the following code:

What is the appropriate parameter for the alert() method in line 5 to reference the text in the firstName text box?

A. document.myForm.value(firstName)

B. document.myForm.firstName.value

C. window.myForm.firstName.value

D. window.myForm.text(firstName)

View Answer