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Microsoft MCSA 70-480 Exam Video
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Microsoft 70-480 pdf Questions(Free Q&As )
QUESTION 1
You develop an HTML5 webpage that contains the following HTML markup:
Users must receive a message after they click the Submit button if the text entered into the favoriteColor text box is
fewer than 2 characters or greater than 10 characters.
You need to implement the testLength() function.
Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: D
Use three arguments: element, min, max. Compare element.value with min and max.
QUESTION 2
You are creating a JavaScript object that represents a customer.
You need to extend the Customer object by adding the GetCommission() method.
You need to ensure that all future instances of the Customer object implement the GetCommission() method.
Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: D
Object.prototype.constructor Returns a reference to the Object function that created the instance\\’s prototype. Note that
the value of this property is a reference to the function itself, not a string containing the function\\’s name. The value is
only read-only for primitive values such as 1, true and “test”.
The constructor property is created together with the function as a single property of func.prototype.
QUESTION 3
You are developing an HTML5 web page.
The appearance of the text box must change when a user moves the focus to another element on the page.
You need to develop the page to respond to user action.
Which line of code should you use?
A.
B.
C.
D.
Correct Answer: A
Definition and Usage
The onblur event occurs when an object loses focus.
Example
Execute a JavaScript when a user leaves an input field:
Reference: onblur Event
QUESTION 4
You are developing a web application that can function when users are not connected to the Internet.
You need to check the Internet connectivity status of a user\\’s browser.
Which method should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: D
Navigator onLine Property
The onLine property returns a Boolean value that specifies whether the browser is in online or offline mode.
Example
Find out whether the browser is online:
var x = “Is the browser online? ” + navigator.onLine;
The result of x will be:
Is the browser online? true
References:
QUESTION 5
You implement an application by using HTML5 and JavaScript. You create a webpage that contains the following
HTML:
The application must place a border on only the first UL element that is contained in the DIV element.
You need to update the webpage.
What should you do?
A. Option A
B. Option B
C. Option C
D. Option D
Correct Answer: B
Example:
CSS File:
ul {
border: 1px solid black;
}
Inline CSS:
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