070-480 무료 덤프문제 온라인 액세스

You develop an HTML5 application that interacts with a REST service. The REST service accepts JSON data.
A JavaScript object named form Data contains data that is sent to the REST service.
You need to convert the JavaScript object named formData into JSON.
Which code segment should you use?

• A.jQuery.ajax.valueOf(formData);
• B.JSON.stringify (formData);
• C.window.evai(formData);
• D.formData.toString();

You are modifying a blog site to improve search engine readability.
You need to group relevant page content together to maximize search engine readability.
Which tag should you use?

• A.<cd>
• B.<tbody>
• C.<article>
• D.<span>

You are reviewing the CSS markup for an HTML5 page that displays a news article. The CSS markup for the page is as follows:

The HTML markup for the page is as follows:

For each statement in the table, select Yes if the code segments above causes the page to behave as described.
Select No if it does not. Make only one selection in each column.

정답:

Explanation

You have a webpage that includes the following markup and code:

You need to troubleshoot the code by clicking the Submit button.
Which value will be displayed?

• A.Undefined
• B.10
• C.Runtime error
• D.20

You are developing an application by using JavaScript.
You must write a function that returns the sum of the variables named v1, v2, v3, v4.
You need to complete the sum function.
How should you complete the relevant code? (To answer, drag the appropriate code segment or segments to the correct location or locations in the answer area. Use only code segments that apply.)

정답:

Explanation

* What is the difference between call and apply?
apply lets you invoke the function with arguments as an array; call requires the parameters be listed explicitly.
Pseudo syntax:
theFunction.apply(valueForThis, arrayOfArgs)
theFunction.call(valueForThis, arg1, arg2, ...)
Reference: What is the difference between call and apply?