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Document Object Model And Event Handling MCQ question and answer in javascript with solution

Learn Document Object Model And Event Handling MCQ Questions and answers in javascript with easy and logical explanations. Document Object Model And Event Handling MCQ question in Javascript which provides all type of technical mcq questions which is important for technical exams, cumpus exams and other entrance examination Page-2 section-2

Each section contains 100 MCQs on Document Object Model and Event Handling .
11
How many node types are there in total?
Discuss
Answer & Solution
Answer: Option B
Solution:
There are total of 12 node types.
12
What is the purpose of the Node object property ownerDocument?
Discuss
Answer & Solution
Answer: Option A
Solution:
The node object property ownerDocument returns the root element (document object) for a node.
13
Which of the following Node object property returns the local part of the name of a node?
Discuss
Answer & Solution
Answer: Option B
Solution:
The Node object property localName Returns the local part of the name of a node
14
What is the property textContent?
Discuss
Answer & Solution
Answer: Option C
Solution:
The property textContent sets or returns the textual content of a node and its descendants.
15
How many Node object methods are available?
Discuss
Answer & Solution
Answer: Option A
Solution:
There are totally 18 node object methods.
16
Which of the following Node object property returns the node immediately before a node?
Discuss
Answer & Solution
Answer: Option A
Solution:
The node object property previousSibling returns the node immediately before a node.
17
What is the purpose of the method getUserData(key)?
Discuss
Answer & Solution
Answer: Option A
Solution:
The method getUserData(key) returns the object associated to a key on a this node. The object must first have been set to this node by calling setUserData with the same key.
18
How to test if two nodes are equal?
Discuss
Answer & Solution
Answer: Option A
Solution:
The method isEqualNode() is used to test if two nodes are equal.
19
How to associate an object to a key on a node?
Discuss
Answer & Solution
Answer: Option C
Solution:
The method setUserData(key,data,handler) is used to associate an object to a key on a node.
20
Which method is used to compare the placement of two nodes in the DOM hierarchy (document)?
Discuss
Answer & Solution
Answer: Option A
Solution:
The compareDocumentPosition() method is used to compare the placement of two nodes in the DOM hierarchy (document).