1D0-735無料問題集「CIW JavaScript Specialist」

質問 1

Kirken needs to write a script to construct custom objects that store user account information such as a username. password and e-mail address for a Web site. What should he add to the following code to set these properties?

A)

B)

C)

D)

（A）Option D

（B）Option B

（C）Option C

（D）Option A

正解：C 解答を投票する

質問 2

Which of the following is a true statement regarding the relationship between Promises and callback functions?

（A）A Promise is a returned object to which the developer can attach callbacks instead of passing callbacks to a function.

（B）A Promise is used to monitor the value of a variable A callback retrieves the previous value of a variable.

（C）A Promise cannot be used in conjunction with a callback.

（D）A Promise is an object a developer can use to pass callbacks to functions.

正解：A 解答を投票する

質問 3

Which of the following best describes how JavaScript communicates with databases when used with AJAX?

（A）It performs back-end database operations such as modifying the database schema.

（B）It was designed to perform queries on databases.

（C）It is used to change database security permissions.

（D）It provides a limited set of database operations such as retrieving data and displaying it back to the originating Web page.

正解：B 解答を投票する

質問 4

Zamar wants to add buttons to his Web page to allow users to navigate forward and backward through his Web site similar to the Forward and Back buttons in the Web browser window. Which JavaScript object will he use?

（A）screen

（B）window

（C）navigator

（D）history

正解：B 解答を投票する

質問 5

What is the output when you run the following script in the browser?

（A）Elephant Lion Giraffe

（B）Zebra Elephant Lion Giraffe

（C）Elephant Zebra Lion Giraffe

（D）Zebra.Elephant Giraffe

正解：C 解答を投票する

質問 6

How does AJAX use the XMLHttpRequest object"?

（A）It performs code validation on the server-side in order to speed up the process of validation

（B）It changes a portion of a Web page so only the affected part of the page will be reloaded

（C）It provides Web page compatibility with mobile device browsers

（D）It provides backward-compatibility with older browser versions

正解：C 解答を投票する

1D0-735 無料問題集「CIW JavaScript Specialist」

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