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 is the purpose of the <noscript> tag in HTML?

A). It specifies that JavaScript should not be executed on the page.

B). It provides fallback content for browsers that do not support JavaScript.

C). It includes external JavaScript files in the document.

D). It allows asynchronous loading of scripts.

Which of the following is true about inline JavaScript code execution?

A). It always executes before external JavaScript files.

B). It executes simultaneously with external JavaScript files.

C). It executes after external JavaScript files.

D). It depends on the order of inclusion in the HTML document.

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.

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.

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

A). async='true'

B). defer='async'

C). type='async'

D). async

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.

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.

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 scenario is ideal for using the async attribute in the <script> tag?

A). When the script must be executed in a specific order.

B). When the script contains critical functionality that should not be delayed.

C). When the script can be executed independently and does not depend on other scripts or document elements.

D). When the script must be executed after the document is parsed.

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