70-480 무료 덤프문제 온라인 액세스

You develop an HTML messaging application that allows users to send messages. The messages can have an optional file attachment that is identified by a filename.
You use the following function to send a message:

You need to send a message with a file attachment.
How should you complete the relevant code? (To answer, select the appropriate option from each drop-down list in the answer area.)

정답:

Explanation

Object Properties
The name:values pairs (in JavaScript objects) are called properties.
var person = {firstName:"John", lastName:"Doe", age:50, eyeColor:"blue"}; Reference: JavaScript Objects

You are developing a customer web form that includes the following HTML.
<input id="txtValue"/>
You need to change the HTML markup so that customers can enter only a valid three-letter country code.
Which HTML should you use?

• A.<input id="txtValue" type="country"/>
• B.<input id="txtValue" type="text" required="xxx"/>
• C.<input id="txtValuen type="code" pattern"="country"/>
• D.<input id="txtVa!ue" type="text" pattern-" [A-Za-z] {3} "/>

You are developing an application that uses a JavaScript library. The library contains the following functions.

The application uses the following code. (Line numbers are included for reference only.)

The library may throw many types of exceptions. The exceptions are grouped by category.
You need to catch and identify the exceptions by group.
Which code segment should you insert at line 05?

• A.Option B
• B.Option D
• C.Option C
• D.Option A

You are developing a web page by using HTML5.
You have the following requirements:
* An H1 element must be placed at the top left corner of the page.
* The size and location of the H1 element must not change if additional elements are added to the page.
You need to position the H1 element on the page.
Which CSS3 style should you use?

• A.Option B
• B.Option D
• C.Option C
• D.Option A

You are developing an application to track project management for your company. The status of the project is stored in a variable named percentComplete.
The method must execute only when percentComplete is equal to the numeric value 100.
You need to develop the application to meet the requirement.
Which code segment should you use?

• A.Option B
• B.Option D
• C.Option C
• D.Option A