FAQ: Requests I - HTTP Requests

This community-built FAQ covers the “HTTP Requests” exercise from the lesson “Requests I”.

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This exercise can be found in the following Codecademy content:

Web Development

Introduction To JavaScript

FAQs on the exercise HTTP Requests

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Hello For this one, i thought only the line within the setTimeout would be delayed? But actually all three lines are delayed, why is that? Thanks!


Is AJAX a built-in feature of JavaScript? Is AJAX used only for requests or does it have other applications?

Why does the console.log statement within the setTimeout function still occur last, even after you change the timeout to 0?

`console.log('First message!');
setTimeout(() => {
   console.log('This message will always run last...');
}, 0);
console.log('Second message!');`

cthunda303. Once you use setTimeout(), in pratice you can hardly ever have 0 milliseconds. Due to admin reasons the time is always approximate, so 0 does not really mean zero precisely.


Thanks,I didn’t know that.

Because of the event loop. The seTimeout got assigned to a seperate queue.

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