Placing JavaScript at the end of the <body> section is beneficial for:
A). Improving page load speed.
B). Blocking page rendering.
C). Increasing script complexity.
D). Hiding script functionalities.
Variables declared in the <body> section of an HTML document have what scope by default?
A). Local to the script or function.
B). Global throughout the document.
C). Limited to the <body> section.
D). Not accessible in JavaScript.
Variables declared in the <head> section of an HTML document are accessible:
A). Globally throughout the document.
B). Only within the <head> section.
C). Only after the page has fully loaded.
D). Nowhere in the document.
Using the defer attribute with an external script in the <head> section means that the script:
A). Loads and executes after HTML parsing.
B). Loads synchronously with HTML parsing.
C). Loads and executes before HTML parsing.
D). Loads but doesn't execute.
What is the purpose of using the async attribute with an external JavaScript file in the <head> section?
A). To load and execute the script after HTML parsing.
B). To defer script execution.
C). To block rendering until script loads.
D). To ensure script execution order.
What is the advantage of placing JavaScript at the end of the <body> section for non-critical scripts?
A). Faster initial page rendering.
B). Slower page load overall.
C). Better script execution order.
D). Increased script complexity.
Using the defer attribute with an external JavaScript file in the <body> section means that the script:
A). Loads and executes after HTML parsing.
B). Loads synchronously with HTML parsing.
C). Loads and executes before HTML parsing.
D). Loads but doesn't execute.
Which scenario is suitable for placing JavaScript in the <head> section of an HTML document?
A). Initializing variables or configurations.
B). Dynamic content manipulation.
C). User interaction scripts.
D). External script loading.
Which attribute should be used for loading external JavaScript files without blocking rendering in the <head> or <body> sections?
A). async
B). defer
C). sync
D). load
What happens if JavaScript code in the <body> section of an HTML document is placed before critical content such as headings or main paragraphs?
A). It may cause FOUC (Flash of Unstyled Content).
B). It has no effect on page rendering.
C). It improves page load speed.
D). It slows down script execution.