Navigating the DOM
This lesson will cover essential testing on DOM navigation in terms of both theory and code analysis. Let's begin!
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Question 1:
Q
Select all the node properties that can be used to navigate between nodes.
A)
parentNode
B)
childNodes[nodenumber]
C)
firstChild
D)
lastChild
E)
nextSibling
F)
previousSibling
Question 2:
Study the following code:
<html><body><h1 id="heading">Educative - Interactive Courses</h1><p id="para"></p><script>document.getElementById("para").innerHTML = document.getElementById("heading").innerHTML;</script></body></html>
Child Nodes and Node Values
Q
What does the above code do?
A)
retrieves the text of an <h1>
element and copies it into a <p>
element
B)
retrieves the text of a <p>
element and copies it into an <h1>
element
C)
retrieves the id of an <h1>
element and assigns it to a <p>
element
D)
retrieves the id of a <p>
element and assigns it to an <h1>
element
Question 3:
Study the ...
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