Solved: jquery w3school


There are a few problems with jQuery. The first is that it is not as widely adopted as some other JavaScript libraries, so you may not have access to it in all of your code. Second, it can be difficult to learn and use, so you may need to take some time to get used to it. Finally, it can be expensive to purchase or license, so you may want to consider alternatives if cost is a concern.


jQuery code can be found on the jQuery website ( or on the W3Schools website (

This line of code is calling the jQuery library. This library is a JavaScript library that makes it easier to use JavaScript on websites.


CORS stands for Cross-Origin Resource Sharing. It is a HTTP header that allows a web page to request resources from another domain. This can be useful when you want to access resources from a different domain than the one your page is hosted on.

To enable CORS in your jQuery project, add the following line to your project’s config file:

CORS: true


There are a few ways to do AJAX in jQuery. One way is to use the $.ajax() function. This function takes two arguments: the url of the AJAX call and a callback function. The callback function is called with two arguments: the response from the AJAX call and an error object.

Another way to do AJAX in jQuery is to use the $.getJSON() function. This function takes a url as its argument and returns a JSON object. The JSON object contains information about the response from the AJAX call, including the response data itself and any errors that occurred during processing of that data.

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