Basic PrototypeJS Javascript Framework MCQ

Correct Answer: "{ foo: 38 }".isJSON();

Correct Answer: One statement is false

Correct Answer: git://github.com/sstephenson/prototype.git

Correct Answer: onError

Correct Answer: $('element').select('.myclass')

Correct Answer: false

Correct Answer: Using Class#addMethods.

Correct Answer: $F('elementid')

Correct Answer: "one_two_three"

Correct Answer: The Element object.

Correct Answer: No. It is perfectly acceptable to continue using Element#observe, though it is less efficient.

Correct Answer: rake package

Correct Answer: Template

Correct Answer: 3

Correct Answer: Yes, it treats all whitespaces as delimiters

Correct Answer: myArray.each(function(element){ element.value = '1'; });

Correct Answer: backgroundColor

Correct Answer: Element#on has a #stop method which will remove excessive event handlers.

Correct Answer: The Content Type header is set to application/JSON

Correct Answer: Event.Handler

Correct Answer: Does not exist, it is an instance method

Correct Answer: Function.bind

Correct Answer: Element.addMethods

Correct Answer: Yes, by using Ajax.Responders.register

Correct Answer: Malicious user data.

Correct Answer: By calling Array#compact() method.

Correct Answer: Ajax.PeriodicalUpdater – It significantly reduces the load on your servers by reducing the number of requests.

Correct Answer: new Ajax.Request('/echomyid');

Correct Answer: Element#toJSON

Correct Answer: as long as their parents are visible.

Correct Answer: The element itself.

Correct Answer: It makes it possible to truncate resources to a single container.

Correct Answer: subclasses and superclass

Correct Answer: ['a', 'b', 'c', 'd', 'e']

Correct Answer: $$('body').first().insert(new Element('div'));

Correct Answer: By using an array, Prototype has extended the number of usable methods.

Correct Answer: Ajax.Updater

Correct Answer: No.

Correct Answer: Splitting a string into an array.

Correct Answer: Element.Methods

Correct Answer: String#evalJSON

Correct Answer: Ajax.activeRequestCount

Correct Answer: on<HTTP RESPONSE CODE>

Correct Answer: Has inner iterator

Correct Answer: $("element").observe("click", this.clickHandler);

Correct Answer: var inst = new Storage("warehouse"');

Correct Answer: Element.extend()

Correct Answer: Correct

Correct Answer: dataMyElementInfoT

Correct Answer: The first statement is incorrect, right version of introduction is 1.7. Second statement is correct for 1.7

Correct Answer: by using $('div1').offsetWidth; or by using $('div1').getStyle('width');

Correct Answer: var Storage = Class.create();

Correct Answer: $A $w $H $R

Correct Answer: $('element').removeClassName('removeclass');

Correct Answer: String#evalJSON

Correct Answer: 0042

Correct Answer: Correct

Correct Answer: Ajax.Request object

Correct Answer: function($super){ $super() }

Correct Answer: The dollar function $()

Correct Answer: At the end.

Correct Answer: Removing malicious data from user input.

Correct Answer: Concisely written code and event delegation from within a container.

Correct Answer: pixel value of an element's dimension specified by property

Correct Answer: Using "for" statement or Array#each iterator.

Correct Answer: Element.Layout

Correct Answer: document.observe('dom:loaded',function(){ //code here });

Correct Answer: onInteractive

Correct Answer: After defining a descendant using Class.create() method, inherit from class Storage by using Object.extend() method.

Correct Answer: Element.extend(my_div)

Correct Answer: Ajax.Responders

Correct Answer: Evaluates the string as JSON and returns the resulting object

Correct Answer: Yes.

Correct Answer: application/ext-javascript

Correct Answer: Element.addMethods({'foo' : foo});

Correct Answer: Enumerable

Correct Answer: Gnu Linux distributive installed on the machine you are working on

Correct Answer: Extracts the content of any <script> blocks present in the html page and returns them as an array of strings.

Correct Answer: $H()

Correct Answer: IE properties struggle with “offset” vs. “client” dimensions, and CSS units need to be converted to be compatible.

Correct Answer: All of these are namespaces in PrototypeJS

Correct Answer: JavaScript Object Notation, and JSON is a lightweight data-interchange format.

Correct Answer: An DOM element that matches the id passed extended with Prototype methods

Correct Answer: Document Object Model

Correct Answer: company=example&limit=12

Correct Answer: $(id) or $(element), where id is a string and element is an Element itself.

Correct Answer: $("messages").on("click", "a.comment_link", function(event, element) {

Correct Answer: All DOM elements have Prototype extensions built-in.

Correct Answer: 43560

Correct Answer: Netscape Navigator

Correct Answer: Correct

Correct Answer: A JavaScript framework for developing dynamic web applications.