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
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
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
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
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 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
How can JavaScript be utilized to format data such as dates and numbers?
A). By using external references
B). By manipulating the DOM
C). By defining regular expressions
D). By using built-in methods and functions
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
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