Q
What is the primary purpose of DOM manipulation in JavaScript?

Answer & Solution

Answer: Option Option A
Solution:
DOM manipulation in JavaScript primarily involves modifying the structure and content of HTML elements dynamically, allowing for interactive and dynamic user interfaces.
Related Questions on Average

Which JavaScript feature allows for the creation of dynamic content on web pages?

A). Conditional rendering

B). Asynchronous functions

C). Callback functions

D). Dynamic content creation

What is the purpose of conditional rendering in JavaScript?

A). To handle errors in code

B). To render content based on conditions

C). To manage external dependencies

D). To optimize database queries

What is the purpose of using JavaScript for conditional rendering on web pages?

A). To enhance website security

B). To improve code performance

C). To display content based on specific conditions or user input

D). To compress and minify code

How can JavaScript be used to handle user input validation on web forms?

A). By utilizing external APIs

B). By defining regular expressions

C). By executing server-side code

D). By creating event listeners

What is the primary purpose of using CSS transitions and animations in conjunction with JavaScript?

A). To improve server-side performance

B). To enhance user interface interactions

C). To handle database queries

D). To optimize code readability

Which JavaScript feature is commonly used to optimize code performance and reduce load times on web pages?

A). Event handling

B). Asynchronous functions

C). External references

D). Code optimization techniques

How can event handling be utilized in JavaScript?

A). To modify CSS styles

B). To validate form data

C). To respond to user interactions

D). To connect to a database

What is the primary advantage of using event listeners in JavaScript?

A). Improved code readability

B). Reduced code complexity

C). Better performance

D). Responsive and interactive web applications

Which technique is commonly used in JavaScript to dynamically create and add elements to the DOM?

A). Event handling

B). Conditional rendering

C). DOM manipulation

D). Data display and formatting

How can JavaScript be utilized to create responsive web applications?

A). By handling external references

B). By defining CSS stylesheets

C). By implementing error handling

D). By utilizing event-driven programming