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Latest and Most Accurate Microsoft 70-480 Dumps Exam Questions and Answers:
You develop an HTML5 application that allows users to upload files from their local computers.
The user interface must remain responsive during the upload.
You need to implement the file upload functionality for the application.
Which two actions should you perform? (Each correct answer presents a complete solution. Choose two.)
A. Use an HTML form with a file type INPUT element that targets a hidden IFRAME element.
B. Use a file type INPUT element, and then use the Web Storage API to upload the file.
C. Use a FormData object and upload the file by using XMLHttpRequest.
D. Register the file protocol by using protocol handler registration API and then upload the file by using XMLHttpRequest.
E. Use the FileSystem API to load the file, and then use the jQuery post method to upload the file to the server.
B: Example (notice the web storage api upload.aspx):
Upload Files using XMLHttpRequest – Minimal
* Because we’re using XMLHttpRequest, the uploading is happening in the background. The page the user is on remains intact. Which is a nice feature to have if your business process can work with it.
* The XMLHttpRequest object has gotten a facelift in the Html5 specifications. Specifically the XMLHttpRequest Level 2 specification (currently the latest version) that has included the following new features:
Handling of byte streams such as File, Blob and FormData objects for uploading and downloading
Progress events during uploading and downloading
Allow making anonymous request – that is not send HTTP Referer
The ability to set a Timeout for the Request
You are creating a page that contains detailed employee information for a company portal. The page uses a jQuery library. The page contains a hidden button named btnEdit that is defined by the following code.
The button is not displayed by default.
The button must be displayed only if the user is logged on.
You need to add code to the document.ready() function to meet the requirements for the button.
Which line of code should you use?
A. $ (‘#btnEdit’).appear ();
B. $ (‘#btnEdit’).visible = true;
C. $ (‘#btnEdit’).show();
D. $ (‘#btnEdit’).Visible();
You are developing an HTML5 page that has an element with an ID of logo. The page includes the following HTML.
You need to move the logo element lower on the page by five pixels.
Which lines of code should you use? (Each correct answer presents part of the solution. Choose two.)
A. document.getElementById(“logo”) .style.position = “relative”;
B. document.getElementByld(“logo”).Style.top = “5px”;
C. document.getElementById(“logo”).style.top = “-5px”;
D. document.getElementById(“logo”).style.position = “absolute”;
Answer: A, B
You are developing a customer web form that includes the following HTML.
A. $(“#txtValue”).val = (JSONObject.Confirmation);
B. $(“#txtValue”).val (JSONObject.Confirmation);
C. $(“#txtValue”).text = (JSONObject.Confirmation);
D. $(“#txtValue”).text (JSONObject.Confirmation);
not A, not B: A label object has no value attribute.
You are developing an application that consumes a Windows Communication Foundation (WCF) service.
The application interacts with the service by using the following code. (Line numbers are included for reference only.)
You need to authenticate to the WCF service.
What should you do?
A. At line 11, add the following lines of code.
B. At line 11, add the following line of code.
C. At line 06, replace the code with the following line of code.
D. At line 11, add the following line of code. The username and password will be stored in an XML file.
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.)
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 =
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