jQuery and the Dollar Sign
The dollar sign is often used as a shorthand notation for the jQuery function. When used in this context, the dollar sign is a global variable that refers to the jQuery object. It allows developers to select and manipulate HTML elements using a familiar and concise syntax.
For example, to select all the paragraphs on a web page using jQuery, you can simply use the following code:
This code selects all the `
` elements on the page and returns a jQuery object that represents those elements. You can then perform various operations on this object, such as changing their styles, adding event handlers, or manipulating their content.
For example, if you want to use the dollar sign for another library, you can do the following:
var myLibrary = $.noConflict();
Now, the dollar sign will no longer refer to the jQuery object, and you can use `myLibrary` instead to access the functionality of the other library.
– jQuery Official Website: jquery.com
– MDN Web Docs: developer.mozilla.org