1D0-635 Online Practice Questions and Answers
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);
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.
Consider the following code:
What is the expected result when you run this script in the browser?
A. There will be no visible output, but the script will count down to 0.
B. The script will output a countdown from 15 to 0 in the client window.
C. The script will output a countdown from 15 to 1 in the client window.
D. The script will output 15, then 1, because it will only write the first and last values of a while? statement.
Consider the following code:
What is the output when you run this script in the browser?
A. An alert box displaying the following: John, Paul, George, Ringo
B. An alert box displaying the following: Ringo, John, Paul, George
C. An alert box displaying the following: Ringo, Paul, George
D. An alert box displaying the following: John, Ringo, George
Which statement will open this Web document in a new browser window?
A. document.open(http://www.CIWcertified.com);
B. window.open(http://www.CIWcertified.com);
C. window.open("http://www.CIWcertified.com");
D. document.open("http://www.CIWcertified.com");
In an X/HTML form, which script block will retrieve an input value and display it back without errors or warnings?
A.
You entered:
C.
You entered:
E.
You entered:
F.
You entered:
Consider the following code: When an invalid e-mail address is entered, an alert is displayed to the user, but the form submission is not interrupted. What changes need to be made to the script in order to abort the submission if an invalid e- mail address is entered?
A. Add return false after the alert() statement.
B. Change return to validate in the function call.
C. Add validate false after the alert() statement.
D. Remove the return keyword from the function call and put it in front of the alert() statement.
Consider the following code:
var myString= "Hello World";
alert(myString.length);
What is the output when you run this script in the browser?
A. An alert box displaying the following: "Hello World", 11
B. An alert box displaying the following: myString, 11
C. An alert box displaying the following: Hello World
D. An alert box displaying the following: 11
Maria, a 22-year old student, is testing her JavaScript application, which includes the following code: Assuming Maria enters truthful information, what is the value of z after executing this code?
A. No value ?error in line 1 due to missing var keyword for userAge.
B. No value ?error in line 1 due to multiple declarations in one line.
C. Maria "is" 22 "years old"
D. Maria is 22 years old
Consider the following code:
When a user clicks on the displayed link, which site will he navigate to?
A. www.msn.com
B. www.yahoo.com
C. www.google.com
D. No other site, because there is a runtime error