How to make your own jQuery from scratch?

Question

JavaScript

How to call methods on a function in any order?
$(".class").parent().children().next().prev().hide().show() and so on.
I looked at jQuery sources and did not understand. I want to create my own library similar to jQuery for learning purposes. Thank you.

Answer 1

Each method must return a reference to your object
jsfiddle.net/96sa9d7e

Answer 2

How to call methods on a function in any order?

you mean in any order? order matters.
To call functions cascaded, you need to return return this in each function;

Answer 3

In each function, return an object.
Those. calling , takes an object and returns it at the end of the function, thus taking the return into an object, working with it, and returning it too, so that the next method down the chain can work further. In the case of , etc., return the parent or child respectively $('.class').hide().show()hide()$('.class')show()hide()
parent()children()