WGU C777 OBJECTIVE ASSESSMENT 475
MOCK TEST WITH ANSWER RATIONALES 2026
◉ True or false? When using a JavaScript confirm() method, if the
user clicks OK, false is returned. Otherwise, true is returned.
False
True.
Answer: False
◉ What is the role of JavaScript in web development?
JavaScript allows control of the behavior of the website
JavaScript creates the actual elements on a web page that can be
assigned style and behavior
JavaScript allows manipulation of how HTML elements appear
JavaScript is a global network of interconnected computers that
allow data to be shared.
Answer: JavaScript allows control of the behavior of the website
◉ What did HTML5 introduce?
,Major changes that help developers create fully scalable pages
without the need for third-party software
Minor changes that help developers create fully scalable pages with
the need for third-party software
Major changes that help developers create partially scalable pages
without the need for third-party software
Minor changes that help developers create partially scalable pages
with the need for third-party software.
Answer: Major changes that help developers create fully scalable
pages without the need for third-party software
◉ Is any page made in HTML5 compatible with both computers and
mobile devices?
Yes
No
Only with computers
Only with mobile devices.
Answer: Yes
,◉ What does the HTML5 SSE API issue?
Requests to the webserver, e.g., periodic web page content reloads
that do not require user action
The passage of information when the end user drags and drops files
into specific areas on a web page
The background execution of small programs on the end user's
machine
A locally stored database, i.e., a client-side, size-limited alternative to
storing data remotely on a server-side database.
Answer: Requests to the webserver, e.g., periodic web page content
reloads that do not require user action
◉ What are syntax errors?
Spelling mistakes in code that will cause the code to not work as
expected
Improperly written code that does not accomplish what you
intended it to do
Code that does not meet specific standards
Code that is not validated against the W3C standard.
, Answer: Spelling mistakes in code that will cause the code to not
work as expected
◉ Can errors have a domino effect?
Yes, one or two small errors could be triggering additional errors
No, errors do not have a domino effect
Yes, one or two large errors could be triggering additional errors
No, only large errors can trigger additional errors.
Answer: Yes, one or two small errors could be triggering additional
errors
◉ Why does a website's appearance matter?
It affects the appeal of a website
It affects the usability of a website
It affects the value of a website
all of the above.
Answer: all of the above
◉ What is the value of a property?
MOCK TEST WITH ANSWER RATIONALES 2026
◉ True or false? When using a JavaScript confirm() method, if the
user clicks OK, false is returned. Otherwise, true is returned.
False
True.
Answer: False
◉ What is the role of JavaScript in web development?
JavaScript allows control of the behavior of the website
JavaScript creates the actual elements on a web page that can be
assigned style and behavior
JavaScript allows manipulation of how HTML elements appear
JavaScript is a global network of interconnected computers that
allow data to be shared.
Answer: JavaScript allows control of the behavior of the website
◉ What did HTML5 introduce?
,Major changes that help developers create fully scalable pages
without the need for third-party software
Minor changes that help developers create fully scalable pages with
the need for third-party software
Major changes that help developers create partially scalable pages
without the need for third-party software
Minor changes that help developers create partially scalable pages
with the need for third-party software.
Answer: Major changes that help developers create fully scalable
pages without the need for third-party software
◉ Is any page made in HTML5 compatible with both computers and
mobile devices?
Yes
No
Only with computers
Only with mobile devices.
Answer: Yes
,◉ What does the HTML5 SSE API issue?
Requests to the webserver, e.g., periodic web page content reloads
that do not require user action
The passage of information when the end user drags and drops files
into specific areas on a web page
The background execution of small programs on the end user's
machine
A locally stored database, i.e., a client-side, size-limited alternative to
storing data remotely on a server-side database.
Answer: Requests to the webserver, e.g., periodic web page content
reloads that do not require user action
◉ What are syntax errors?
Spelling mistakes in code that will cause the code to not work as
expected
Improperly written code that does not accomplish what you
intended it to do
Code that does not meet specific standards
Code that is not validated against the W3C standard.
, Answer: Spelling mistakes in code that will cause the code to not
work as expected
◉ Can errors have a domino effect?
Yes, one or two small errors could be triggering additional errors
No, errors do not have a domino effect
Yes, one or two large errors could be triggering additional errors
No, only large errors can trigger additional errors.
Answer: Yes, one or two small errors could be triggering additional
errors
◉ Why does a website's appearance matter?
It affects the appeal of a website
It affects the usability of a website
It affects the value of a website
all of the above.
Answer: all of the above
◉ What is the value of a property?
