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.
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.
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.
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.
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
Which method is commonly used as an alternative to document.write() for dynamic content generation in modern JavaScript development?
A). jQuery
B). React.js
C). AJAX requests
D). innerHTML
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 executed after the document has finished loading?
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 console.
D). It inserts content before 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 scenario is NOT suitable for using document.write() in JavaScript?
A). Creating a login form with validation.
B). Generating a personalized greeting message.
C). Displaying real-time data from an external API.
D). Adding event listeners to form elements.