Q
How do you execute JavaScript code after the HTML document has loaded?

Answer & Solution

Answer: Option All of the above
Solution:
You can use the defer or async attributes in the <container><script></container> tag, or place the <container><script></container> tag at the end of the <container><body></container> section to ensure the JavaScript code runs after the HTML document has loaded.
Related Questions on Average

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>

What is the purpose of using external JavaScript files?

A). To keep HTML and JavaScript code separate

B). To reuse the JavaScript code on multiple pages

C). To improve the maintainability of the code

D). All of the above

How do you comment out code in JavaScript?

A). // This is a comment

B). /* This is a comment */

C). <!-- This is a comment --!>

D). ## This is a comment

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

How can you prevent an external JavaScript file from being cached by the browser?

A). Add a query string to the src attribute

B). Use the async attribute

C). Use the defer attribute

D). It is not possible to prevent caching

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

What is the effect of using the defer attribute in the <container><script></container> tag?

A). The script will be executed after the HTML document has been fully parsed

B). The script will be executed as soon as it is downloaded

C). The script will not be executed

D). The script will be executed before the HTML document is parsed

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>

Can an external JavaScript file contain HTML?

A). Yes

B). No

C). Only if it is within a <container><script></container> tag

D). Only if it is within a <container><body></container> tag

Which file extension is used for JavaScript files?

A). .java

B). .js

C). .javascript

D). .jsx

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