Q
What is the purpose of using external JavaScript files instead of inline code?

Answer & Solution

Answer: Option A
Solution:
Using external JavaScript files instead of inline code reduces code redundancy and promotes code reusability, as the same script can be included and used across multiple HTML pages without duplicating the code.
Related Questions on Average

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.

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

A). async='true'

B). defer='async'

C). type='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 including the defer attribute in a <script> tag?

A). To execute the script asynchronously.

B). To delay script execution until after the document is parsed.

C). To specify the scripting language used in the script.

D). To load an external script file.

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 is the correct way to include an inline JavaScript code block using the <script> tag?

A). <script type='text/javascript'>...</script>

B). <script inline>...</script>

C). <script>

D). <js>...</js>

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 using the async attribute in the <script> tag?

A). To ensure the script is executed after the document is parsed.

B). To execute the script synchronously.

C). To load the script asynchronously, improving page load performance.

D). To delay script execution until user interaction.

How can you specify the version of JavaScript used in a <script> tag?

A). By including the version attribute in the <script> tag.

B). By specifying the JavaScript version in the opening <script> tag comment.

C). By using the type attribute with the appropriate MIME type.

D). By placing the JavaScript code within a CDATA section.