Q
Which attribute can be used to include a JavaScript file asynchronously?

Answer & Solution

Answer: Option D
Solution:
The async attribute is used to include a JavaScript file asynchronously. Adding async to the <script> tag tells the browser to load the script asynchronously while parsing the HTML, improving page loading speed and allowing other resources to load in parallel.
Related Questions on Average

Which attribute is used to specify the location of an external JavaScript file in the <script> tag?

A). href

B). url

C). src

D). location

How does the browser handle the execution of a <script> tag with the defer attribute?

A). It delays script execution until after the document is parsed, maintaining script order.

B). It executes the script as soon as it's available, even if the document is still parsing.

C). It waits for user interaction before executing the script.

D). It prevents the script from executing until the user interacts with the page.

What attribute of the <script> tag allows asynchronous loading of scripts?

A). type='async'

B). async='true'

C). defer='async'

D). async

How can you include an external JavaScript file using the <script> tag?

A). <script src='script.js'></script>

B). <script>src='script.js'

C). <script type='text/javascript' src='script.js'></script>

D). <js src='script.js'></js>

What is the purpose of the language attribute in the <script> tag?

A). It specifies the scripting language used in the script.

B). It defines the content type of the script file.

C). It indicates whether the script is inline or external.

D). It specifies the version of HTML used in the document.

Which attribute of the <script> tag is used to delay script execution until after the document is parsed?

A). type='defer'

B). async='false'

C). defer='true'

D). defer

What happens if the src attribute is used along with inline JavaScript code inside the <script> tag?

A). The inline code is ignored, and only the external file specified in src is loaded.

B). Both the inline code and the external file specified in src are loaded.

C). The browser throws an error because the src attribute cannot be used with inline code.

D). Only the inline code is executed, and the external file specified in src is ignored.

When including multiple <script> tags in an HTML document, what determines the order of script execution?

A). The order in which the <script> tags appear in the HTML document.

B). The order specified by the async attribute in each <script> tag.

C). The alphabetical order of the script filenames.

D). The defer attribute in each <script> tag.

In which scenario is it beneficial to use the defer attribute in the <script> tag?

A). When the script should be executed synchronously.

B). When the script is critical for page functionality and must execute immediately.

C). When the script can be loaded asynchronously and executed after the document is parsed.

D). When the script must be executed before the document is fully loaded.

What is the purpose of the type attribute in the <script> tag?

A). It specifies the version of HTML used in the document.

B). It specifies the scripting language used in the script.

C). It defines the content type of the script file.

D). It indicates whether the script is inline or external.