1D0-735 무료 덤프문제 온라인 액세스

Consider this source code:

Giam needs to write a script to access the first element in the source code. What code should he use?

• A.var first = document .getElementById("condiments") [0];
• B.var first = document .getElementById("input");
• C.var first = document .getElementByIdTagName ("input") [1]
• D.var first = document .getElementById("condiments1") [1];

Consider the following code:

What is the expected result of this script?

• A.When you click the alert a welcome message will appear
• B.The word "Welcome" will be displayed in a prompt when the page loads
• C.When you click the welcome message a welcome alert will load
• D.A welcome message will appear when the page loads

Which of the following is not a benefit of Web APIs?

• A.Web APIs provide an interface for developers to write code themselves instead of using APIs developed by others .
• B.Before Web APIs developers had to write the entire code for every task they needed to perform.
• C.Web APIs are frameworks that make it easy to build applications over HTTP services that are accessible over a large range of clients.
• D.Web APIs are best used to create resource-oriented services.

How does AJAX use the XMLHttpRequest object"?

• A.It provides backward-compatibility with older browser versions
• B.It changes a portion of a Web page so only the affected part of the page will be reloaded
• C.It performs code validation on the server-side in order to speed up the process of validation
• D.It provides Web page compatibility with mobile device browsers

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

• A.A Promise is an object a developer can use to pass callbacks to functions.
• B.A Promise is a returned object to which the developer can attach callbacks instead of passing callbacks to a function.
• C.A Promise is used to monitor the value of a variable A callback retrieves the previous value of a variable.
• D.A Promise cannot be used in conjunction with a callback.