<!DOCTYPE html>
<html>
<head>
<title>html12</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<style type="text/css">
/* GitHub stylesheet for MarkdownPad (http://markdownpad.com) */
/* Author: Nicolas Hery - http://nicolashery.com */
/* Version: b13fe65ca28d2e568c6ed5d7f06581183df8f2ff */
/* Source: https://github.com/nicolahery/markdownpad-github */
/* RESET
=============================================================================*/
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
margin: 0;
padding: 0;
border: 0;
}
/* BODY
=============================================================================*/
body {
font-family: Helvetica, arial, freesans, clean, sans-serif;
font-size: 14px;
line-height: 1.6;
color: #333;
background-color: #fff;
padding: 20px;
max-width: 960px;
margin: 0 auto;
}
body>*:first-child {
margin-top: 0 !important;
}
body>*:last-child {
margin-bottom: 0 !important;
}
/* BLOCKS
=============================================================================*/
p, blockquote, ul, ol, dl, table, pre {
margin: 15px 0;
}
/* HEADERS
=============================================================================*/
h1, h2, h3, h4, h5, h6 {
margin: 20px 0 10px;
padding: 0;
font-weight: bold;
-webkit-font-smoothing: antialiased;
}
h1 tt, h1 code, h2 tt, h2 code, h3 tt, h3 code, h4 tt, h4 code, h5 tt, h5 code, h6 tt, h6 code {
font-size: inherit;
}
h1 {
font-size: 28px;
color: #000;
}
h2 {
font-size: 24px;
border-bottom: 1px solid #ccc;
color: #000;
}
h3 {
font-size: 18px;
}
h4 {
font-size: 16px;
}
h5 {
font-size: 14px;
}
h6 {
color: #777;
font-size: 14px;
}
body>h2:first-child, body>h1:first-child, body>h1:first-child+h2, body>h3:first-child, body>h4:first-child, body>h5:first-child, body>h6:first-child {
margin-top: 0;
padding-top: 0;
}
a:first-child h1, a:first-child h2, a:first-child h3, a:first-child h4, a:first-child h5, a:first-child h6 {
margin-top: 0;
padding-top: 0;
}
h1+p, h2+p, h3+p, h4+p, h5+p, h6+p {
margin-top: 10px;
}
/* LINKS
=============================================================================*/
a {
color: #4183C4;
text-decoration: none;
}
a:hover {
text-decoration: underline;
}
/* LISTS
=============================================================================*/
ul, ol {
padding-left: 30px;
}
ul li > :first-child,
ol li > :first-child,
ul li ul:first-of-type,
ol li ol:first-of-type,
ul li ol:first-of-type,
ol li ul:first-of-type {
margin-top: 0px;
}
ul ul, ul ol, ol ol, ol ul {
margin-bottom: 0;
}
dl {
padding: 0;
}
dl dt {
font-size: 14px;
font-weight: bold;
font-style: italic;
padding: 0;
margin: 15px 0 5px;
}
dl dt:first-child {
padding: 0;
}
dl dt>:first-child {
margin-top: 0px;
}
dl dt>:last-child {
margin-bottom: 0px;
}
dl dd {
margin: 0 0 15px;
padding: 0 15px;
}
dl dd>:first-child {
margin-top: 0px;
}
dl dd>:last-child {
margin-bottom: 0px;
}
/* CODE
=============================================================================*/
pre, code, tt {
font-size: 12px;
font-family: Consolas, "Liberation Mono", Courier, monospace;
}
code, tt {
margin: 0 0px;
padding: 0px 0px;
white-space: nowrap;
border: 1px solid #eaeaea;
background-color: #f8f8f8;
border-radius: 3px;
}
pre>code {
margin: 0;
padding: 0;
white-space: pre;
border: none;
background: transparent;
}
pre {
background-color: #f8f8f8;
border: 1px solid #ccc;
font-size: 13px;
line-height: 19px;
overflow: auto;
padding: 6px 10px;
border-radius: 3px;
}
pre code, pre tt {
background-color: transparent;
border: none;
}
kbd {
-moz-border-bottom-colors: none;
-moz-border-left-colors: none;
-moz-border-right-colors: none;
-moz-border-top-colors: none;
background-color: #DDDDDD;
background-image: linear-gradient(#F1F1F1, #DDDDDD);
background-repeat: repeat-x;
border-color: #DDDDDD #CCCCCC #CCCCCC #DDDDDD;
border-image: none;
border-radius: 2px 2px 2px 2px;
border-style: solid;
border-width: 1px;
font-family: "Helvetica Neue",Helvetica,Arial,sans-serif;
line-height: 10px;
padding: 1px 4px;
}
/* QUOTES
=============================================================================*/
blockquote {
border-left: 4px solid #DDD;
padding: 0 15px;
color: #777;
}
blockquote>:first-child {
margin-top: 0px;
}
blockquote>:last-child {
margin-bottom: 0px;
}
/* HORIZONTAL RULES
=============================================================================*/
hr {
clear: both;
margin: 15px 0;
height: 0px;
overflow: hidden;
border: none;
background: transparent;
border-bottom: 4px solid #ddd;
padding: 0;
}
/* TABLES
=============================================================================*/
table th {
font-weight: bold;
}
table th, table td {
border: 1px solid #ccc;
padding: 6px 13px;
}
table tr {
border-top: 1px solid #ccc;
background-color: #fff;
}
table tr:nth-child(2n) {
background-color: #f8f8f8;
}
/* IMAGES
=============================================================================*/
img {
max-width: 100%
}
</style>
</head>
<body>
<h2>jQuery选择器</h2>
<h3>基本选择器</h3>
<ol>
<li>
标签名选择器
$("div") 匹配文档中所有div
</li>
<li>
id选择器
$("#id")
</li>
<li>
类选择器
$(".类名")
</li>
<li>
分组选择器
$("div,#id,.class")
</li>
<li>
所有元素选择器
$("*")
</li>
</ol>
<h3>层级选择器</h3>
<ol>
<li>$("div span") 匹配div下所有的span元素</li>
<li>$("div>span") 匹配div下所有span的子元素</li>
<li>$("div+span") 匹配div后面紧邻的span兄弟元素</li>
<li>$("div~span") 匹配div后面所有的span兄弟元素</li>
</ol>
<h3>层级函数</h3>
<ol>
<li>
获取元素的所有兄弟元素
$("#two").siblings("div")
</li>
<li>
获取元素的哥哥元素
$("#two").prev("div")
</li>
<li>
获取元素的哥哥们元素
$("#two").prevAll("div")
</li>
<li>
获取元素的弟弟元素
$("#two").next("div")
</li>
<li>
获取元素的弟弟们元素
$("#two").nextAll("div")
</li>
</ol>
<h3>过滤选择器</h3>
<ol>
<li>$("div:first") 匹配所有div中的第一个元素</li>
<li>$("div:last") 匹配所有div中的最后一个元素</li>
<li>$("div:even") 匹配所有div中偶数div 从0开始</li>
<li>$("div:odd") 匹配所有div中奇数div 从0开始</li>
<li>$("div:eq(n)")匹配所有div中下标为n元素从0开始</li>
<li>$("div:lt(n)")匹配所有div中下标小于n元素0开始</li>
<li>$("div:gt(n)")匹配所有div中下标大于n元素0开始</li>
<li>$("div:not(.one)")匹配所有div中 class不为one的元素</li>
</ol>
<h3>内容选择器</h3>
<ol>
<li>$("div:has(p)") 匹配所有包含p标签的div</li>
<li>$("div:empty") 匹配所有空的div</li>
<li>$("div:parent") 匹配所有 非空的div</li>
<li>$("div:contains('id')") �
jQuery基础选择器练习题
需积分: 49 201 浏览量
2018-07-11
17:16:47
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jQ基础选择器.zip （10个子文件） 
jQ基础选择器 selector_code 
1_base_selector.html 3KB 3_baseFilter_selecter.html 3KB 2_level_selector.html 3KB 4_content_selector.html 3KB 6_form_selector.html 3KB 5_attribute_selector.html 3KB html12.html 12KB
html12.md 5KB js jquery-1.4.2.min.js 70KB jquery-1.4.2.js 160KB资源评论
