Learn JavaScript from Scratch JavaScript for Everyone - Ajax

The video tutorial explains Ajax, a method for asynchronous data exchange between a browser and a server, highlighting its non-programming nature and efficiency in loading dynamic content without page reloads. It contrasts Ajax with standard web requests, emphasizing its lightweight data handling. The tutorial introduces the Fetch API as a modern, simpler alternative to traditional XML HTTP requests, enhancing ease of use and compatibility.

What does Ajax stand for?

• Asynchronous JavaScript and XML

• Advanced JavaScript and XML

• Asynchronous Java and XML

• Automated JavaScript and XML

How does Ajax improve user experience on websites like Instagram?

• By using XML data exclusively

• By requiring users to click 'load more' for additional content

• By sending and receiving small amounts of data without reloading the page

• By reloading the entire page for new content

What is a key advantage of Ajax requests compared to standard web requests?

• They require more data to be sent and received

• They always return data in XML format

• They are slower due to additional data processing

• They only send and receive small amounts of data, making them faster

What format do most APIs use to send data in Ajax requests?

• XML

• HTML

• JSON

• CSS

What is a benefit of using the Fetch API over XML HTTP Request Objects?

• It requires more complex error handling

• It is easier to use and compatible with modern browsers

• It is only compatible with Internet Explorer

• It requires additional JavaScript libraries