Which method can be used to ensure proper document structure when using document.write() in JavaScript? | JavaScript | MYTAT

Q

Which method can be used to ensure proper document structure when using document.write() in JavaScript?

A). Using document.createElement() alongside document.write(). B). Including document.write() within external script files. C). Combining document.write() with external CSS stylesheets. D). Executing document.write() after the document has loaded.

Answer & Solution

Answer: Option Option A

Solution:

To ensure proper document structure when using document.write() in JavaScript, developers can combine it with document.createElement() to create HTML elements dynamically and insert them into the document. This approach allows for precise control over the generated content and ensures that the document structure remains intact. Additionally, using document.write() before or during the document loading process helps avoid issues related to overwriting content or affecting the document's layout.

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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.

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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.

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When is it recommended to use document.write() in JavaScript?

A). After the document has finished loading.

B). Before the closing </body> tag.

C). Before the document has finished loading.

D). Within the <head> section.

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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.

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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.

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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.

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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.

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

A). Encapsulating JavaScript code within functions.

B). Utilizing external JavaScript libraries.

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

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

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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

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

A). Fetch API

B). innerHTML

C). event listeners

D). CSS transitions

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