<!--
1. Basic selector: Is the most frequently used selector in jquery, which consists of an element ID, Class, element name, multiple selectors, which enables you to find most page elements through a basic selector
jquery Selector Detailed
Depending on the elements in the obtained page, you can divide the jquery selector into: basic selector, hierarchy selector, filter selector, form selector four categories. Among them, in the filter selector can be divided into: Simple filter selector, Content filter selector, visibility filter selector, attribute filter selector, child element filter selector, Form object attribute filter Selector 6 kinds
-->
<title></title>
<!--use the jquery basic selector to select elements: one page contains two <div> tags, one for setting the ID property and one for setting the Class property; we add a <span> tag, all the element initial values are hidden, The corresponding page tags are then displayed through the jquery base selector. -->
<script src= "Jquery-1.9.1.js" type= "Text/javascript" ></script>
<style type= "Text/css" >
Body{font-size:12px;text-align:center;}
. clsframe{width:300px;height:100px}
. clsframe div,span{display:none;float:left;width:65px;height:65px;border:solid 1px #ccc; margin:8px}
. Clsone{background-color: #eee}
</style>
<script type= "Text/javascript" >
$ (function () {//ID match element
$ (' #divOne '). CSS (' Display ', ' block ');
})
$ (function () {//element name match element
$ (' div span '). CSS (' Display ', ' block ');
})
$ (function () {//Class matching element
$ ('. Clsframe. Clsone '). CSS (' Display ', ' block ');
})
$ (function () {//Match all elements
$ (' * '). CSS (' Display ', ' block ');
})
$ (function () {//merge matching elements
$ (' #divOne, span '). CSS (' Display ', ' block ');
})
</script>
<body>
<div class= "Clsframe" >
<div id= "Divone" >
Id</div>
<div class= "Clsone" >
Class</div>
<span>SPAN</span>
</div>
</body>
