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Questions and Answers
Questions and Answers
What is the primary purpose of JavaScript in web development?
What is the primary purpose of JavaScript in web development?
- Styling HTML pages
- Creating database queries
- Adding interactivity to HTML pages (correct)
- Optimizing server performance
Where is JavaScript usually embedded in web development?
Where is JavaScript usually embedded in web development?
- Directly into HTML pages (correct)
- In external CSS files
- In the database
- In the server-side code
What does it mean for JavaScript to be an interpreted language?
What does it mean for JavaScript to be an interpreted language?
- Scripts interact with the database directly
- Scripts are compiled before execution
- Scripts execute only on the server-side
- Scripts execute without preliminary compilation (correct)
Where are scripts placed if they are to be executed when called or when an event is triggered?
Where are scripts placed if they are to be executed when called or when an event is triggered?
What is the purpose of including functions in the head section of an HTML page?
What is the purpose of including functions in the head section of an HTML page?
When should a script be placed inside a function?
When should a script be placed inside a function?
What is the purpose of saving JavaScript in an external file?
What is the purpose of saving JavaScript in an external file?
Which of the following best describes JavaScript objects?
Which of the following best describes JavaScript objects?
What is the correct way to access an Array object in JavaScript?
What is the correct way to access an Array object in JavaScript?
How would you instantiate a date to be 5 days into the future in JavaScript?
How would you instantiate a date to be 5 days into the future in JavaScript?
What is the purpose of creating an instance of an object in JavaScript?
What is the purpose of creating an instance of an object in JavaScript?
Which built-in object in JavaScript represents a string?
Which built-in object in JavaScript represents a string?
What does the Array method concat() do in JavaScript?
What does the Array method concat() do in JavaScript?
What does the method toUpperCase() do in JavaScript?
What does the method toUpperCase() do in JavaScript?
How would you set a Date object to a specific date in JavaScript?
How would you set a Date object to a specific date in JavaScript?
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