Answer & Solution
<script> tag allows asynchronous loading of scripts. It tells the browser to load the script asynchronously, allowing it to continue parsing and rendering the HTML while the script loads in the background.
<script> tag allows asynchronous loading of scripts?
<script> tag allows asynchronous loading of scripts. It tells the browser to load the script asynchronously, allowing it to continue parsing and rendering the HTML while the script loads in the background.
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.
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.
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
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.
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 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.
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 <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.
Where is the recommended place to include external JavaScript files in an HTML document?
A). Inside the <head> section.
B). Before the closing
tag.
C). After the opening
D). Inside the <body> section, anywhere.