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New CIW 1D0-635 Exam Dumps Collection (Question 3 - Question 12)
Question No: 3
Which script block will display Hello World in the browser when the script is run?
A. <script type="text/javascript"> var message = "Hello ";
var message2 = "World"; document.write(message + message2);
</script>
B. <script type="text/javascript"> var message = "Hello ";
var message2 = "World"; document.write(message & message2);
</script>
C. <script type="text/javascript"> var message = Hello ;
var message2 = World ; document.write(message + message2);
</script>
D. <script type="text/javascript"> var message = "Hello ";
var message2 = "World"; document.write("message + message2 ");
</script>
Answer: A
Question No: 4
Consider the following code:
What is the expected result of this script?
A. When you leave the page, the alert box will display.
B. The page will ignore the function, so a blank page will display on entry and exit.
C. When you enter the page, you will be warned that there is unfinished JavaScript to run.
D. When you leave the page, there will be a JavaScript error because you cannot unload an alert box.
Answer: A
Question No: 5
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
Answer: A
Question No: 6
Consider the following code:
What needs to be changed to allow this script to run without error?
A. Change the substring method call to substr
B. Change the substring method call to substr()
C. Change the characterAt method call to charAt
D. Change the characterAt method call to characterat
Answer: C
Question No: 7
How is the alert() method different from prompt() and confirm()?
A. The alert() method generates a modal dialog box, which requires user action before the next JavaScript instruction can be executed,whereas prompt() and confirm() do not.
B. The alert() method requires only one parameter, whereas prompt() and confirm() require two parameters.
C. The alert() method requires two parameters, whereas prompt() and confirm() require only one parameter.
D. The prompt() and confirm() methods return a value, whereas alert() does not.
Answer: D
Question No: 8
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. <script type="text/javascript"> function DisplayName(void){
var YourName = window.prompt("What is your name?","Please enter your name"); document.write("Hello " + YourName);
}
</script>
B. <script type="text/javascript"> function DisplayName(){
var YourName = window.prompt("What is your name?","Please enter your name"); document.write("Hello " + YourName);
}
</script>
C. <script type="text/javascript"> function DisplayName(void){
var YourName = document.prompt("What is your name?",Please enter your name); document.write("Hello " + YourName);
}
</script>
D. <script type="text/javascript"> function DisplayName(){
var YourName = document.prompt("What is your name?","Please enter your name"); document.write("Hello " + yourname);
}
</script>
Answer: B
Question No: 9
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
Answer: D
Question No: 10
Which of the following is a browser security issue that JavaScript developers should remember when developing a script?
A. JavaScript cannot be disabled in the client and will always run.
B. JavaScript functionality is immune to viruses, trojans and malware.
C. JavaScript is a cross-platform scripting language and will generate consistent results regardless of the client or server being used.
D. Certain JavaScript functionality may be blocked by some browsers, which prevents the script from running as expected for all users.
Answer: D
Question No: 11
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";
Answer: D
Question No: 12
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.
Answer: D
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