[2020.2] Microsoft SharePoint Applications 70-480 Exam questions and answers PDF

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Latest Microsoft SharePoint Applications 70-480 Exam questions and answers (Programming in HTML5 with JavaScript and CSS3)...

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70-480Q&As Programming in HTML5 with JavaScript and CSS3

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QUESTION 1 You have the following code.

You need to recommend a solution to ensure that myLongFunction is executed as a separate thread. Which type of object should you use? A. worker B. reflect C. prototype D. eval Correct Answer: A Reference: https://www.w3schools.com/HTML/html5_webworkers.asp

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?

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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. Reference: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/constructor

QUESTION 3 An HTML page has a CANVAS element. You need to draw a red rectangle on the CANVAS element dynamically. The rectangle should resemble the following graphic.

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How should you build the code segment? (To answer, drag the appropriate line of code to the correct location. Each line of code may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content.)

Select and Place:

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Correct Answer:

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QUESTION 4 You are developing a web page that enables customers to upload documents to a web server. The page includes an HTML5 PROGRESS element named progressBar that displays information about the status of the upload. The page includes the following code. (Line numbers are included for reference only.)

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An event handler must be attached to the request object to update the PROGRESS element on the page. You need to ensure that the status of the upload is displayed in the progress bar. Which line of code should you insert at line 03? A. xhr.upload.onloadeddata = B. xhr.upload.onplaying = C. xhr.upload.onseeking = D. xhr.upload.onprogress = Correct Answer: D Example: xhr.upload.onprogress = function(evt) { if (evt.lengthComputable) { var percentComplete = parseInt((evt.loaded / evt.total) * 100); console.log("Upload: " + percentComplete + "% complete") } }; Reference: http://stackoverflow.com/questions/3352555/xhr-upload-progress-is-100-from-the-start

QUESTION 5 HOTSPOT You are developing an application in HTML5.

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You have the following HTML markup.

You have the following JavaScript code.

Use the drop-down lists to select the answer choice that completes each statement. Hot Area:

Correct Answer:

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Validate2will be called when the user clicks the userName text box. Validate1will be called when the user clicks the userNameLabel label. References: https://www.w3schools.com/jquery/tryit.asp?filename=tryjquery_event_stoppropagation

QUESTION 6 DRAG DROP You are developing a page by using HTML5 and CSS3. You need to ensure that the page meets the following requirements: The page must resize automatically for proper viewing on a variety of devices, such as desktop computers, mobile phones and tablets. The text “Ben Smith” must appear on the same line without splitting around the other HTML elements. How should you complete the markup? To answer, drag the appropriate values to the correct targets. Each value may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content. NOTE: Each correct selection is worth one point. Select and Place:

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Correct Answer:

QUESTION 7 You are developing an application that reads information from a file. The application must: Execute a block of code if there is an error accessing the file Execute a second block of code whether or not there is an error accessing the file You need to ensure that the error handling requirements are met. Which three statements should you implement in sequence? (To answer, move the appropriate statements from the list of actions to the answer area and arrange them in the correct order.) Select and Place:

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Correct Answer:

The fileopen statement is put within the try clause. The catch(e) will catch a fileopen error. The finally clause will be executed regardless of whether an error occurs in the try clause proceeding it

QUESTION 8 You are developing an HTML5 web application. The application loads data from a web service by using AJAX. The application displays the data by calling the displayData function. The data is loaded by using the following code.

You need to ensure that the data is displayed when it is successfully retrieved from the web service. Which code segment should you use?

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A. Option A B. Option B C. Option C D. Option D Correct Answer: B The deferred.done() method accepts one or more arguments, all of which can be either a single function or an array of functions. When the Deferred is resolved, the doneCallbacks are called. Callbacks are executed in the order they were added. Since deferred.done() returns the deferred object, other methods of the deferred object can be chained to this one, including additional .done() methods. $.ajax Reference: https://api.jquery.com/deferred.done/

QUESTION 9 You are creating a custom CSS3 style. You have the following requirements to complete the style: Box1 has a red outline. Box1 contains box2, and box2 must remain inside box1 Box2 must have a green to black gradient. Box2 must be surrounded by white space. The style resembles the following diagram:

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You need to add the CSS3 code to the styles. How should you complete the relevant code? (To answer, select the appropriate code segment in each drop-down list in the answer area.) Hot Area:

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Correct Answer:

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* border: 1px solid #f00; a red border 1 pixel thick. * background-image: linear-gradient(to bottom, green,black); Linear Gradients (goes down/up/left/right/diagonally). Starts at the top with green and goes to bottom with black. * margin: 10px 10px 10px 10px;

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The CSS margin properties define the space around elements. The top, right, bottom, and left margin can be changed independently using separate properties. Incorrect Answers: * border-color: red; will not display any border * Radial Gradients (defined by their center).

QUESTION 10 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

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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. References: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/constructor\

QUESTION 11 You have a stylesheet for an existing website. The website contains the following HTML markup.

You need to ensure that the elements are aligned horizontally. You write the following CSS markup in the stylesheet.

How should you complete the markup? To answer, drag the appropriate code elements to the correct targets in the answer area. Each code element may be used once, more than once, or not at all. You may need to drag the split bar between panes or scroll to view content. Select and Place:

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Correct Answer:

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References: http://learn.shayhowe.com/html-css/creating-lists/

QUESTION 12 You are creating a class named Consultant that must inherit from the Employee class. The Consultant class must modify the inherited PayEmployee method. The Employee class is defined as follows. function Employee() {} Employee.prototype.PayEmployee = function ( ){ alert(\\'Hi there!\\'); } Future instances of Consultant must be created with the overridden method.

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You need to write the code to implement the Consultant class. Which code segments should you use? (Each correct answer presents part of the solution. Choose two.) A. Consultant.PayEmployee = function () { alert(\\'Pay Consulant\\'); } B. Consultant.prototype.PayEmployee = function () { alert(\\'Pay Consultant\\'); } C. function Consultant () { Employee.call(this); } Consultant.prototype = new Employee(); Consultant.prototype.constructor = Consultant; D. function Consultant() { Employee.call(this); } Consultant.prototype.constructor = Consultant.create; Correct Answer: BC 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. References: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/constructor\

QUESTION 13 You are developing a web page that performs CPU-intensive calculations. A web worker processes these calculations on a separate background thread. The process is instantiated from the web page. You need to stop the web worker process after the calculations are completed. Which two actions can you perform to achieve this goal? (Each correct answer presents a complete solution. Choose two.) A. From the web page, call the close() method. B. From the web worker process, call the terminate() method. C. From the web page, call the terminate() method. D. From the web worker process, call the close() method. Correct Answer: CD Terminating a worker If you need to immediately terminate a running worker, you can do so by calling the worker\\'s terminate() method: myWorker.terminate(); The worker thread is killed immediately without an opportunity to complete its operations or clean up after itself. Workers may close themselves by calling their own close method: close();

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Reference: https://developer.mozilla.org/en-US/docs/Web/API/Web_Workers_API/Using_web_workers

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