WGU C777 WEB DEVELOPMENT APPLICATIONS FINAL EXAM QUESTIONS & A… EXAM
P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
WGU C777 Web
Development Applications
Final Exam Questions &
Answers 2026-2027 | Latest
Edition
Verified Answers Exam Ready With Rationales
73 QUESTIONS
DOCUMENT OVERVIEW
This document contains 73 verified questions with correct answers provided, offering succinct
explanations for each. It comprehensively covers web development applications, making it suitable for
study, review, and certification preparation. Students can leverage this resource to enhance their
understanding and mastery of essential concepts in web development.
CONTENTS
File Formats Q1–Q10
DOM and JavaScript Q11–Q23
APIs and Events Q24–Q35
Form Validation Q36–Q48
HTML Elements Q49–Q59
Pattern Matching Q60–Q73
Page 1
, E XA M Q U EST I O N S
Q1 QUESTION 1 OF 73
What video files are supported
CORRECT ANSWER
MP4 (mpeg4) WebM and OGG
codec H.264
remember this
Q2 QUESTION 2 OF 73
What music files are supported
CORRECT ANSWER
MP3 WAV and OGG
remember this
Q3 QUESTION 3 OF 73
What image files are supported
CORRECT ANSWER
jpeg, gif, svg, png, apng, png_ico, bmp, bmp_ico,
Apig gifts a savefile to 3 pinguins and is bumped twice
Q4 QUESTION 4 OF 73
a
.a
#a
CORRECT ANSWER
anchor tag
class ="a"
id="a"
remember this
Page 2
, Q5 QUESTION 5 OF 73
Is DOM accessed by other tools like search engines or screen readers
CORRECT ANSWER
yes
Q6 QUESTION 6 OF 73
File System API
CORRECT ANSWER
access to the local users file system even without uploading it. It can only read it, not update it.
Q7 QUESTION 7 OF 73
Form Validation
abc
CORRECT ANSWER
matches abc. Not ab or abcd
Q8 QUESTION 8 OF 73
pattern understanding bonus round
.
^
\d
\D
\s
x(?=y)
!
Page 3
P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
WGU C777 Web
Development Applications
Final Exam Questions &
Answers 2026-2027 | Latest
Edition
Verified Answers Exam Ready With Rationales
73 QUESTIONS
DOCUMENT OVERVIEW
This document contains 73 verified questions with correct answers provided, offering succinct
explanations for each. It comprehensively covers web development applications, making it suitable for
study, review, and certification preparation. Students can leverage this resource to enhance their
understanding and mastery of essential concepts in web development.
CONTENTS
File Formats Q1–Q10
DOM and JavaScript Q11–Q23
APIs and Events Q24–Q35
Form Validation Q36–Q48
HTML Elements Q49–Q59
Pattern Matching Q60–Q73
Page 1
, E XA M Q U EST I O N S
Q1 QUESTION 1 OF 73
What video files are supported
CORRECT ANSWER
MP4 (mpeg4) WebM and OGG
codec H.264
remember this
Q2 QUESTION 2 OF 73
What music files are supported
CORRECT ANSWER
MP3 WAV and OGG
remember this
Q3 QUESTION 3 OF 73
What image files are supported
CORRECT ANSWER
jpeg, gif, svg, png, apng, png_ico, bmp, bmp_ico,
Apig gifts a savefile to 3 pinguins and is bumped twice
Q4 QUESTION 4 OF 73
a
.a
#a
CORRECT ANSWER
anchor tag
class ="a"
id="a"
remember this
Page 2
, Q5 QUESTION 5 OF 73
Is DOM accessed by other tools like search engines or screen readers
CORRECT ANSWER
yes
Q6 QUESTION 6 OF 73
File System API
CORRECT ANSWER
access to the local users file system even without uploading it. It can only read it, not update it.
Q7 QUESTION 7 OF 73
Form Validation
abc
CORRECT ANSWER
matches abc. Not ab or abcd
Q8 QUESTION 8 OF 73
pattern understanding bonus round
.
^
\d
\D
\s
x(?=y)
!
Page 3
