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 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
What is the primary advantage of using JavaScript for dynamic content creation on web pages?
A). Improved website security
B). Reduced server load
C). Enhanced user interaction and engagement
D). Simplified code maintenance
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
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
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 JavaScript be used to handle user interactions on web pages?
A). By defining external references
B). By using event listeners
C). By including CSS stylesheets
D). By executing server-side code
How can data display and formatting be achieved using JavaScript?
A). By handling database queries
B). By utilizing regular expressions
C). By formatting strings, dates, and numbers
D). By creating external APIs
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 enables the creation of dynamic and personalized user experiences on web pages?
A). Data display and formatting
B). Event handling
C). Conditional rendering
D). External references