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 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
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 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 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 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
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 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
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