Can a client AJAX application be used to fetch and execute some JavaScript code?
Can AJAX be used to move files on the client-side?
Can AJAX be used with HTTPS (SSL)?
Can AJAX be used with offline pages?
Can AJAX be used with PHP?
Can an AJAX application communicate with other applications on the client computer?
Can an HTML form be sent with AJAX?
Can WebDav methods like PROPFIND be used with XMLHttpRequest.open()?
Can you call responseBody or responseText to get a partial result when the readyState of an XMLHttpRequest is 3(receiving)?
Can you start multiple threads with JavaScript?
Consider the following function: function foo () { return 5; } What will the following code do? var myVar = foo;
Assign the integer 5 to the variable myVar 0.0%
Assign the pointer to function foo to myVar 92.0%
Do nothing 0.0%
Throw an exception 0.0%
None of the above 7.0%
document.write ("Hello"); will pop a dialog box with "Hello" in it.
Does JavaScript 1.5 have exception handling?
How can you create an XMLHttpRequest under Internet Explorer 6?
var oReq = new XMLHttpRequest (); 0.0%
var oReq = new ActiveXObject ("MSXML2.XMLHTTP.3.0"); 100.0%
var oReq = new IEHttpRequest ("XML"); 0.0%
None of the above 0.0%
In the following list, which ones are used to fetch the result data of an XMLHttpRequest?
responseData 7.0%
responseBody 3.0%
responseString 0.0%
responseText 34.0%
responseXML 53.0%
In the following list, which states are valid? XMLHttpRequest.readyState
0, The request is not initialized 0.0%
1, The request has been set up 0.0%
2, The request has been sent 0.0%
3, The request is in process 13.0%
4, The request is complete 0.0%
All of the above. 86.0%
Is it always possible to make requests to multiple websites with different domain names from an AJAX client script?
Is it possible to access the browser cookies from a javascript application?
Is it possible to create and manipulate an image on the client with AJAX?
Is it possible to make a page "reload-safe" when using AJAX?
no 0.0%
yes, if each AJAX request modifies the server side context, which would render a page similar to the actual JS modified page, if reloaded. 100.0%
Is it possible to make some system calls on the client with AJAX?
Is JavaScript the same as Java?
Is the loading of an AJAX enabled web page any different from the loading of a normal page?
It might be needed to set the request content-type to XML explicitly. How can you do so for an XMLHttpRequest Object?
myReq.setContentType ("text/xml"); 0.0%
myReq.contentType = "text/xml"; 0.0%
myReq.overrideContentType ("xml"); 0.0%
myReq.contentType = "xml"; 0.0%
myReq.setRequestHeader ("Content-Type", "text/xml"); 100.0%
Javascript uses static bindings.
The format of an HTTP request is given below: <request-line> <headers> <blank line> [<request-body>] Which of the following is not passed in the request-line?
Type of request 0.0%
Resource to access 0.0%
Version of HTTP 0.0%
Browser name 33.0%
None of the above 66.0%
The server returns data to the client during an AJAX postback. Which of the following is correct about the returned data?
It only contains the data of the page elements that need to be changed 61.0%
It contains both the data of the whole page and the data that needs to be changed in separate blocks 0.0%
It contains the data of the whole page 0.0%
It may contain anything 38.0%
None of the above 0.0%
The X in AJAX refers to XML, but is it possible to make a request for plain text data by using AJAX?
What is NOSCRIPT tag for?
To prevent the page scripts from executing 0.0%
To shield a part of a page from being modified by JS (like aDiv.innerHTML = 'something' has no effect) 0.0%
To enclose text to be displayed if the browser doesn't support JS 91.0%
NOSCRIPT tag doesn't exist 0.0%
None of the above 8.0%
What is the common way to make a request with XMLHttpRequest?
myReq.request(); 0.0%
myReq.get(); 0.0%
myReq.post(null); 0.0%
myReq.send(null); 100.0%
myReq.sendRequest(null); 0.0%
What is the correct syntax to create an array in JavaScript?
var array = Array.new; 0.0%
var array = []; 40.0%
var array = new Array; 4.0%
var array = new Array (); 52.0%
None of the above 4.0%
What is the correct syntax to include a script named myScript.js into a page?
<script href="myScript.js"> 9.0%
<script name="myScript.js"> 0.0%
<script src="myScript.js"> 90.0%
<script root="myScript.js"> 0.0%
What is the correct way to execute the function "calc()" when an XMLHttpRequest is loaded?
myRequest.onreadystatechange = calc; 100.0%
myRequest.onload = calc; 0.0%
myRequest.execute = calc; 0.0%
myRequest.addCallback (calc, "loaded"); 0.0%
None of the above 0.0%
What is the correct way to have the function checkState called after 10 seconds?
window.setTimeout(checkState, 10); 0.0%
window.setTimeout(checkState, 10000); 91.0%
window.setTimeout(checkState(), 10); 8.0%
None of the above 0.0%
What is the standardized name of JavaScript?
Java 0.0%
NetscapeScript 9.0%
ECMAScript 90.0%
XMLScript 0.0%
WebScript 0.0%
What is the third (async) parameter of the XMLHttpRequest open method?
If true, the request doesn't return anything. 0.0%
If true, the javascript engine is blocked while making the request 0.0%
If true, the send method returns immediately 8.0%
If true, the request object is destroyed when 'send' is executed 0.0%
If true, callbacks are executed 91.0%
What is true regarding XMLHttpRequest.abort()?
It can only be used with async requests 50.0%
It will remove the onreadystatechange event handler 50.0%
It will send an abort message to the remote server 0.0%
It changes readyState to 4 (aborted) 0.0%
None of the above 0.0%
What language does AJAX use on the client side?
JavaScript 100.0%
AppleScript 0.0%
PHP 0.0%
Ruby 0.0%
Java 0.0%
What should be called before 'send ()' to prepare an XMLHttpRequest object?
prepare () 0.0%
open () 100.0%
init () 0.0%
build () 0.0%
None of the above 0.0%
When a user views a page with JavaScript in it, which machine executes the script?
The client machine running the Web Browser 100.0%
The server serving the JavaScript 0.0%
A central JavaScript server like root DNS 0.0%
None of the above 0.0%
When doing an AJAX request, will the page be scrolled back to top as with normal requests?
When may asynchronous requests be used?
To submit data to the server 0.0%
To retrieve data from the server 0.0%
To load additional code from the server 25.0%
To download an image 0.0%
All of the above 75.0%
Which HTTP server does AJAX require?
Apache 0.0%
Sun application server 0.0%
lighttpd 0.0%
Microsoft web server 0.0%
Any HTTP server will work 100.0%
Which language does AJAX use on the server side?
JavaScript 20.0%
PHP 0.0%
Java 0.0%
Ruby 0.0%
Any language supported by the server 80.0%
Which of the following are drawbacks of AJAX?
The browser back button cannot be used in most cases 68.0%
It makes the server and client page representation synchronization more difficult 6.0%
It loads the server too much 0.0%
It's not supported by older browsers 18.0%
It augments the used bandwidth significantly 6.0%
Which of the following browsers provide XMLHttpRequest property?
Internet Explorer 5 2.0%
Internet Explorer 6 8.0%
Internet Explorer 7 29.0%
Firefox 2.0 29.0%
Safari 3.0 29.0%
Which of the following cannot be resolved by using AJAX?
Partial page processing 0.0%
Unresponsiveness of web pages 0.0%
Server side communication initiation 0.0%
Server crashes (failover) 70.0%
None of the above 30.0%
Which of the following describes the term 'Asynchronous' correctly?
Ability to handle processes independently from other processes 100.0%
Processes are dependent upon other processes 0.0%
Processes are not fully dependent on other processes 0.0%
None of the above 0.0%
Which of the following is a block comment in JavaScript?
<!-- --> 0.0%
/* */ 100.0%
// 0.0%
# 0.0%
--[[ ]] 0.0%
Which of the following is not a JavaScript operator?
new 0.0%
delete 0.0%
this 0.0%
typeof 0.0%
All of the above are Javascript operators 100.0%
Which of the following is not a valid variable name in JavaScript?
_my_var 0.0%
2myVar 100.0%
MY_VAR 0.0%
__MyVar2__ 0.0%
All are valid 0.0%
Which of the following is/are not addressed by AJAX?
Partial page update 0.0%
Offline browsing 62.0%
Server side scripting 37.0%
All of the above 0.0%
Which of the following is/are true regarding AJAX?
It's an engine developed by Microsoft to load web pages faster 33.0%
It's merely a concept with many implementation methods (XMLHttpRequest, iFrames...) 33.0%
It's a server side scripting language used to serve partial parts of a webpage 0.0%
It's a good way to reduce network traffic, if used correctly 33.0%
None of the above 0.0%
Which of the following list is/are true regarding AJAX?
It can only be implemented with the XMLHttpRequest object 32.0%
It can be used to update parts of a webpage without reloading it 35.0%
It can be used to make requests to the server without blocking the user (async) 32.0%
It requires a special AJAX enabled web server 0.0%
It cannot be used under Internet Explorer 0.0%
Which of the following request types should be used with AJAX?
HTTP GET request for retrieving data (which will not change for that URL) 55.0%
HTTP POST request for retrieving data (which will not change for that URL) 0.0%
HTTP GET should be used when the state is updated on the server 0.0%
HTTP POST should be used when the state is updated on the server 44.0%
Which of the following status codes denotes a server error?
100 0.0%
200 0.0%
300 0.0%
501 47.0%
500 52.0%
You want to update the following element with the XMLHttpRequest status. Which of the following approaches is correct for the purpose? <div id="statusCode"></div>
var myDiv = document.getElementById ("statusCode"); myDiv.innerHTML = req.statusCode; 0.0%
var myDiv = document.getElementById ("statusCode"); myDiv.innerHTML = req.status; 90.0%
var myDiv = document.getElementById ("statusCode"); myDiv.setStatus (req.statusCode); 9.0%
var myDiv = document.getElementById ("statusCode"); myDiv.status = req.status; 0.0%
None of the above 0.0%