1D0-635 PDF preview

Question 1

Single choice

Assuming the function <body onload="DisplayName()"> is called, which script block will display Hello Joe in the document window after you enter the name Joe?

A.

B.

C.

D.

Question 2

Single choice

Consider the following code fragment, which sets up the retrieval of an XML document named fish.xml and
calls a function named showFish(): var xmlhttp = new XMLHttpRequest(); xmlhttp.open("GET", "fish.xml",
true); xmlhttp.onreadystatechange = showFish(); xmlhttp.send();

Which line of code initializes the XMLHttpRequest object?

A.

xmlhttp.send();

B.

var xmlhttp = new XMLHttpRequest();

C.

xmlhttp.open("GET", "fish.xml", true);

D.

xmlhttp.onreadystatechange = showFish();

Question 3

Single choice

Which of the following demonstrate the correct syntax for the switch statement?

A.

var myName= "Paul"switch (myName){case "Peter"document.write("My name is Peter.<br />")
breakcase "Paul"document.write("My name is Paul.<br />")break: (default);document.write("I do not
have a name.<br />")}

B.

var myName= "Paul"switch (myName){case "Peter"document.write("My name is Peter.<br />")
breakcase "Paul"document.write("My name is Paul.<br />")break: (default);document.write("I do not
have a name.<br />")}

C.

var myName= "Paul"switch (myName){case (Peter)document.write("My name is Peter.<br />")
breakcase (Paul)document.write("My name is Paul.<br />")break;case: (default);document.write("I do
not have a name.<br />")}

D.

var myName= "Paul"switch (myName){case (Peter)document.write("My name is Peter.<br />")
breakcase (Paul)document.write("My name is Paul.<br />")break;case: (default);document.write("I do
not have a name.<br />")}

Question 4

Single choice

Consider the following code: <script type="text/javascript"> var v1 = "alpha"; function f () { var v2 = "bravo";
alert (v1 + ", " + v2); } f(); v1="charlie"; alert (v1 + ", " + v2); </script>

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

A.

An alert box displaying charlie, bravo

B.

An alert box displaying alpha, bravo followed by an error

C.

Two alert boxes displaying alpha, bravo and alpha, bravo respectively

D.

Two alert boxes displaying alpha, bravo and charlie, bravo respectively, followed by an error

Question 5

Single choice

Which of the following is a valid variable name in JavaScript?

A.

this

B.

that

C.

2that

D.

2this

Question 6

Single choice

What basic code is needed to define a function in JavaScript?

A.

function myFunction { }

B.

define myFunction() { }

C.

function myFunction() { }

D.

define myFunction { return value; }

Question 7

Single choice

When using AJAX, what is the purpose of the XMLHttpRequest object?

A.

To transfer an XML document to the Web server

B.

To request data from the Web server strictly in XML format

C.

To read and write to an XML file stored on the local machine

D.

To request either XML data or plaintext data from the Web server

Question 8

Single choice

Which statement will correctly call a JavaScript function without error?

A.

var myFunction()

B.

initiate myFunction()

C.

call myFunction()

D.

myFunction()

Question 9

Single choice

Consider only the following code:

Which of the following would properly supply the sum of the two numbers?

A.

return sum;

B.

mySum (num1+num2);

C.

return num1+num2;

D.

return sum(num1+num2);

Question 10

Single choice

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.

CIW 1D0-635 - Questions & Answers