Q
Which approach should be followed when using document.write() in JavaScript for dynamic content?

Answer & Solution

Answer: Option Option A
Solution:
When using document.write() for dynamic content in JavaScript, it is advisable to encapsulate the JavaScript code within functions. This approach promotes code organization, reusability, and maintainability by defining separate functions for different content generation tasks. It also allows for better control over when and how document.write() is executed, reducing the risk of overwriting content or causing issues with the document structure.
Related Questions on Average

How does document.write() impact the SEO (Search Engine Optimization) of a webpage?

A). It improves SEO by adding dynamic keywords to the document.

B). It has no impact on SEO.

C). It may negatively impact SEO by affecting page load times.

D). It optimizes page ranking by adding meta tags dynamically.

What happens if document.write() is used within an external script file?

A). It appends content to the end of the document.

B). It overwrites the entire content of the document.

C). It triggers an error in the browser console.

D). It inserts content into the <head> section.

Which scenario is appropriate for using document.write() in JavaScript?

A). Displaying static content on a webpage.

B). Updating content within specific HTML elements.

C). Generating dynamic content based on user interactions.

D). Validating form data before submission.

Which of the following is NOT a common use case for document.write() in JavaScript?

A). Generating dynamic content based on user input.

B). Embedding external resources such as scripts or stylesheets.

C). Displaying personalized messages or greetings.

D). Creating complex data structures or algorithms.

What is the primary purpose of using document.write() in JavaScript?

A). To modify existing HTML elements

B). To add event listeners to HTML elements

C). To generate and output dynamic content to a webpage

D). To validate user input

How does document.write() handle JavaScript code execution within written content?

A). It executes JavaScript code within written content.

B). It ignores JavaScript code within written content.

C). It triggers an error if JavaScript code is included.

D). It converts JavaScript code into plain text.

Which method should be avoided when using document.write() in JavaScript?

A). Including multiple document.write() statements within one script.

B). Encapsulating document.write() within functions.

C). Using document.write() to generate dynamic content.

D). Executing document.write() before the <body> tag.

Which JavaScript feature complements document.write() for dynamic content generation?

A). Fetch API

B). innerHTML

C). event listeners

D). CSS transitions

How does document.write() impact the performance of a webpage?

A). It improves the performance by reducing page load times.

B). It has no impact on performance.

C). It may degrade performance due to delays in content rendering.

D). It optimizes code execution for better performance.

Which of the following is a limitation of using document.write() in JavaScript?

A). It cannot write HTML content.

B). It cannot write content after the document has loaded.

C). It cannot write content within specific HTML elements.

D). It cannot write content dynamically.