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Share some MCSD 70-480 exam questions and answers below.
You are developing an application that uses a third-party JavaScript library named doWork().
The library occasionally throws an "object is null or undefined" error with an error code of-2146823281.
The application must:
• Extract and handle the exceptions thrown by doWork()
• Continue normal program execution if other exceptions occur
You need to implement the requirements.
Which code segment should you use?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: C
You are developing a page that includes text and an illustration.
The web page resembles the following image.
• You have the following requirements:
• The illustration must be in the center of the page.
• The text must flow around the left, right, top, and bottom of the illustration.
You need to ensure that the layout of the web page meets the requirements.
Which line of code should you use?
A. -ms-wrap-flow: both;
B. -ms-wrap-flow: clear;
C. -ms-wrap-flow: maximum;
D. -ms-wrap-flow: auto;
Answer: A
You are developing an e-commerce website. Users place products into a shopping cart.You need to ensure that the shopping cart data is available between browser sessions.Which object should you use to store the shopping cart data?
A. clientStorage
B. localStorage
C. applicationStorage
D. sessionStorage
Answer: B
You are developing a customer web form that includes the following HTML.
A customer must enter a value in the text box prior to submitting the form.
You need to add validation to the text box control.
Which HTML should you use?
A.
B.
C.
D.
Answer: A
DRAG DROP
You are developing a web page for runners who register for a race. The page includes a slider control that allows users to enter their age.
You have the following requirements:
• All runners must enter their age.
• Applications must not be accepted from runners less than 18 years of age or greater than 90 years.
• The slider control must be set to the average age (37) of all registered runners when the page is first displayed.
You need to ensure that the slider control meets the requirements.
What should you do? (To answer, drag the appropriate word or number to the correct location in the answer area. Each word or number 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.)
Answer:
You are developing a web application that consumes services from a third-party application. A web worker processes the third-party application requests in the background. A page in the application instantiates the web worker process.
You need to establish two-way communications between the web worker process and the page.
Which two actions will achieve this goal? (Each correct answer presents a complete solution. Choose two.)
A. From the web worker, use the onconnect event handler of the main page to capture events.
B. From the main page, use the onmessage event handler of the web worker to capture events.
C. From the web worker, use the onmessage event handler of the main page to capture events.
D. From the main page, use the onconnect event handler of the web worker to capture events.
Answer: B, C
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