Three ways to download jQuery source code: official website/Git/Composer

What can jQuery be used for?

In-depth discussion of jQuery’s basic syntax: $(callback function)

Four calling methods of the $() function: selector/object/HTML string/callback function

jQuery object properties and traversal methods: each()

Conversion between jQuery objects and DOM objects

Tips on using the front-end code artifact Emmet plug-in

HTML attribute query and setting skills: attr()/removeAttr()

CSS property query and setting: tips and parameter settings for the css() method

CSS class attribute operations: addClass()/removeClass()/toggleClass()

HTML content query and setting: text()/html()

What are selectors and categories? Simple selector/combined selector/selector group

Simple Selector: General Filter

Simple selector: attribute filter

Simple Selector: Form Filter

Simple filter: location filter

Combination selectors: select elements based on relationships

Selector group: select a group of related elements for unified operation

Selection method: Use jQuery method to obtain elements

$(this) usage: Get the current jQuery object according to the context

How to insert and replace document elements

Copy element: also called clone element, only applies to elements that exist on the page

Packaging Elements: Alternative Element Creation Solutions

Delete element: delete or clear child elements

Two methods of binding elements to elements: even() and bind()

Delete the event on the element: you can specify the event unbind()

There are actually only two types of functions: named and unnamed.

Function declaration: function with fixed name

Function expression: Use a variable to replace the function (the name is not fixed)

Anonymous function: used as a parameter or callback

Show and hide: make elements disappear and appear

Fade in, fade out and fade: also called fade in and fade out

Object expansion and contraction effects: sliding effect

Animation basics: focus on mastering two object parameters

Introduction to AJAX: Update on demand, no need to update the complete web page

AJAX native access to plain text files

AJAX native access to html files

AJAX native access to xml format data

AJAX native access to JSON format data

$.ajax() function in AJAX access

load() method in AJAX access

$.get() function in AJAX access

$.getJSON() function in AJAX access

$.post() function in AJAX