Which JavaScript feature is commonly used to create animations and visual effects on web pages?
A). DOM manipulation
B). CSS transitions
C). Asynchronous functions
D). Error handling
What is the primary purpose of DOM manipulation in JavaScript?
A). Modifying the structure and content of HTML elements dynamically
B). Validating user input
C). Handling server-side operations
D). Creating external references
What is the primary purpose of animation and effects in JavaScript?
A). To enhance user experience
B). To improve code performance
C). To handle database queries
D). To compress and minify code
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 does JavaScript contribute to improving the user interface of web applications?
A). By reducing server load
B). By enhancing code organization
C). By optimizing database queries
D). By compressing and minifying code
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
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
How does JavaScript contribute to creating visually appealing web interfaces?
A). By handling server-side operations
B). By utilizing CSS for styling
C). By compressing and minifying code
D). By optimizing database queries
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