Answer & Solution
<container><script></container>. It is used with the src attribute to specify the path of the external file.
<container><script></container>. It is used with the src attribute to specify the path of the external file.
How do you execute JavaScript code after the HTML document has loaded?
A). Use the defer attribute in the <container><script></container> tag
B). Place the <container><script></container> tag at the end of the <container><body></container> section
C). Use the async attribute in the <container><script></container> tag
D). All of the above
What happens if the external JavaScript file is not found?
A). The browser will ignore the script
B). The browser will show a 404 error
C). The script will not run
D). All of the above
What is the correct syntax for referring to an external script called 'app.js'?
A). <container><script src='app.js'></container>
B). <container><script href='app.js'></container>
C). <container><script link='app.js'></container>
D). <container><script file='app.js'></container>
Can an external JavaScript file be cached by the browser?
A). Yes
B). No
C). Only if specified in the HTML
D). Only if it is under a certain size
What is the difference between the defer and async attributes in the <container><script></container> tag?
A). defer delays execution until after the HTML document is fully parsed, while async executes as soon as it is downloaded
B). defer executes the script immediately, while async delays execution until after HTML parsing is complete
C). defer and async both delay script execution until after HTML parsing is complete
D). There is no difference between defer and async attributes
How do you include an external JavaScript file in an HTML file?
A). <container><script src='filename.js'></container>
B). <container><script href='filename.js'></container>
C). <container><script link='filename.js'></container>
D). <container><script file='filename.js'></container>
What does the async attribute do when used in a <container><script></container> tag?
A). Executes the script immediately
B). Delays script execution until HTML parsing is complete
C). Executes the script asynchronously
D). Executes the script before the HTML parsing begins
What is the advantage of using external JavaScript files?
A). Improves code readability
B). Allows reuse of code
C). Improves page load times due to caching
D). All of the above
Where should the <container><script></container> tag be placed in HTML?
A). In the <container><head></container> section
B). In the <container><body></container> section
C). At the end of the <container><body></container> section
D). All of the above
Which file extension is used for JavaScript files?
A). .java
B). .js
C). .javascript
D). .jsx