JavaScript #4: DOM

JavaScript #4: DOM

12th Grade

10 Qs

quiz-placeholder

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JavaScript #4: DOM

JavaScript #4: DOM

Assessment

Quiz

Computers

12th Grade

Hard

Created by

Nixon Lopez

Used 9+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

What does the following code do?

Changes the content of the element with ID "header" to "Welcome"

Changes the background color of the element with ID "header"

Adds a new element with ID "Welcome"

Removes the element with ID "header"

Answer explanation

Changes the content of the element with ID "header" to "Welcome"

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

What will be the result of the following code?

Adds a new paragraph element with text to the document.

Removes all paragraph elements from the document.

Replaces the first paragraph in the document.

Does nothing because the code is incorrect.

Answer explanation

Adds a new paragraph element with text to the document

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What does the following event listener do?

Displays an alert when any button is clicked.

Displays an alert when the button with ID "myButton" is clicked.

Adds a new button to the document.

Changes the text of the button with ID "myButton".

Answer explanation

Displays an alert when the button with ID "myButton" is clicked

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What does the following code accomplish?

It adds an image with source "image.jpg" to the document.

It replaces all images in the document with "image.jpg".

It removes all images from the document.

It does nothing because setAttribute is incorrect.

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

What is the purpose of the following code?

Changes the color of all elements with class "item" to red.

Changes the background color of all elements with class "item" to red.

Changes the text content of all elements with class "item" to "red".

Changes the color of only the first element with class "item" to red.

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

What does the following code accomplish?

Adds a new list item "New item" to the first <ul> in the document

Replaces the first list item in the <ul> with "New item"

Removes all items from the <ul> and adds "New item"

Does nothing because the code is incorrect

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

What will happen when the following code is executed?

Nothing, as no error will be thrown

Displays "Error occurred!" in an alert box

Stops the execution of the script

Throws a syntax error

Answer explanation

Nothing, as no error will be thrown (Dividing by zero does not throw an error in JavaScript)

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