Django: Web Development with Python

jQuery basics

In this chapter, we use jQuery to make AJAX requests. Before using jQuery, let's understand its basics.

CSS selectors in jQuery

CSS selectors used in style sheets can effectively retrieve an item with very little code. This is a feature that is so interesting that it is implemented in the HTML5 Selector API with the following syntax:

item = document.querySelector('tag#id_content');

jQuery also allows us to use CSS selectors. To do the same thing with jQuery, you must use the following syntax:

item = $('tag#id_content');

At the moment, it is better to use jQuery than the Selector API because jQuery 1.x.x guarantees great compatibility with older browsers.

Getting back the HTML content

It is possible to get back the HTML code between two tags ...