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JS Practice: ITS Certification

Authored by Nixon Lopez

Computers

12th Grade

Used 3+ times

JS Practice: ITS Certification
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

What line of code should you use to display each room type on a new line?

document.getElementById("para").innerHTML += rooms[i] + "<br/>";

document.getElementById("para").innerHTML += rooms[i] + <br/>;

document.getElementById("para").innerHTML += rooms[i] ";

document.getElementById("para").innerHTML = rooms[i] + "<br/>";

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which event attributes should be used to change the text when the mouse hovers over a paragraph?

onmouseover, onmouseout

onclick, onchange

onchange, onmouseup

onmouseover, onmouseup

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How do you access the element with id section1?

getElementsByTagName('section1')

getElementById('section1')

getElementsByName('section1')

getElementsByClassName('section1')

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What line of code correctly appends an item to an existing array fruits?

push

append

add

insert

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

How do you handle an exception in JavaScript to ensure a block of code executes regardless of whether an error occurs?

finally

done

complete

end

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Several HTML pages need to reference the same JavaScript code.

Where should the JavaScript code live?

In a .css file

Within the head tags of each document

In a .js file

Within the body tags of each document

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

You need to determine whether the variable x is null.

What is the correct syntax?

x == null

x == “null”

x = null

x typeof null

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