Python：Day48 Jquery

 

Citation:

    <script src="jquery-3.3.1.js"></script>

 

jQuery is a jQuery object, which can be abbreviated as $

 

Basic syntax: $(selector).action()

 

2. Find elements

1. Selector

基本选择器　　$("*")  $("#id")  $(".class")  $("element")  $(".class,p,#p1")  

level selector　　

Basic filter

attribute selector

form selector

 

2. Filter

 

 

Jquery supports chained operations

    $("*").css("color","red").css("background-color","yellow");