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2021 Nov question bank 70-480:
Q71. You are developing a web form that includes the following code.
When a user selects the check box, an input text box must be added to the page dynamically.
You need to ensure that the text box is added.
Which function should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: B
Q72. You are creating a web page that contains a canvas with text.
The page contains the following JavaScript code. (Line numbers are included for reference only.)
The text on the canvas must rotate 90 degrees when a user clicks a button on the page.
You need to ensure that the text rotates when the user clicks the button.
Which line of code should you add at line 03?
A. context.transform(90);
B. context.content.getRotation(90);
C. context.rotate(90);
D. context.content.rotate (90);
Answer: C
Q73. You are building a web page for a newspaper publisher.
. You have the following requirements:
. The web page should split the content into columns that are at least 100 pixels wide.
. The number of columns displayed must be set by the browser.
You need to implement the correct CSS properties.
Which line of code should you use?
A. <div id="outer" style="width: 100px; column-fill: balance;">...</div>
B. <div id="outer" style="width: 100px; column-gap: 10px;">...</div>
C. <div id="outer" style="column-width: 100px; ">. . .</div>
D. <div id="outer" style="width: 100px; columns: 100px 3">...</div>
Answer: C
Q74. You develop an HTML5 webpage. You have the following JavaScript code:
You need to handle the click event when a user clicks the show/Dialog button.
Which code segment should you insert at line 02?
A. $ (document).trigger("click", "#showDialog", function (e) {
B. $ (document).on ("#showDialog", "click", function (e) {
C. $(document).toggle("click", "#showDialog", function (e) {
D. $(document).on("click", "#showDialog", function (e) {
Answer: D
Q75. You are developing a customer contact form that will be displayed on a page of a company's website. The page collects information about the customer.
If a customer enters a value before submitting the form, it must be a valid email address.
You need to ensure that the data validation requirement is met.
What should you use?
A. <input name="email" type="url"/>
B. <input name="email" type="text" required="required"/>
C. <input name="email" type="text"/>
D. <input name="email" type="email"/>
Answer: D
Leading ebook for 70-480:
Q76. You develop an application to host user-generated HTML and JavaScript content.
A common error handler in your application must process all unhandled errors.
You need to implement global error handling for the application.
Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
Q77. You develop an HTML application that is located at www.adventure-works.com.
The application must load JSON data from www.fabrikam.com.
You need to choose an approach for loading the data.
What should you do?
A. Design a REST URI scheme with multiple domains.
B. Configure Cross-Origin Resource Sharing (CORS) on the servers.
C. Load the data by using WebSockets.
D. Use the jQuery getJSON method.
Answer: B
Q78. You are developing an HTML5 web application that displays customer mailing address information.
The application loads addresses from a web service by using AJAX. The following code defines a Customer object and loads address data.
A. Option A
B. Option B
C. Option C
D. Option D
Answer: C
Q79. You are developing a customer web form that includes following HTML.
<input id= "textAccountType"/>
You need to develop the form so that customers can enter only a valid account type consisting of two English alphabet characters.
Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: B
Q80. You are troubleshooting a web page that includes the following code. (Line numbers are included for reference only.)
What is displayed in the alert from line 11?
A. Div
B. Function
C. Button
D. Document
Answer: C