What is $?

Question

In codes I always see a $, and I must have missed something because I've no idea why they're needed. When I delete them all, there are so many errors, so clearly there is a purpose.

I would greatly appreciate an example where they are needed :)

Answer 1

By default, jQuery uses "quot; as a shortcut for "jQuery" (From the jquery documentation). It tells the code to access the Jquery library and its methods.

jQuery(document).ready(function(){}) is the same as
$(document).ready(function(){})

Answer 2

@Patricio Salazar so you need to understand jQuery to know how to use it?

Answer 3

You will need to import a jQuery library to make the $ signs work. A $ sign in front of the method means it is a jQuery method.

Answer 4

well if you are using the jquery library the $ sign is just an indicator that the following in a jquery method.... is part of its syntax...