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
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
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
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
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
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 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 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