Home Web Front-end JS Tutorial A concise summary of jQuery selectors (including usage examples, clear at a glance)_jquery

A concise summary of jQuery selectors (including usage examples, clear at a glance)_jquery

May 16, 2016 pm 04:51 PM
jquery Selector

本文现在对所有已知的 jquery 选择器做一个总结,深刻而熟练的掌握这些选择器,对我们快速的写各种 jquery 效果大有帮助!下面就对 jquery 各种选择做一个罗列吧!由于 jquery 用法非常简单,这里就不再举各种例子加深理解了。

元素 元素
选择器 实例 选取
* $("#item *") 选择 id 属性为 item 下的所有元素
#id $("#lastname") id="lastname" 的元素
.class $(".intro") 所有 class="intro" 的元素
element $("p") 所有

元素

.class.class $(".intro.demo") 所有 class="intro" 且 class="demo" 的元素
     
:first $("p:first") 第一个

元素

:last $("p:last") 最后一个

元素

:even $("tr:even") 所有偶数
:odd $("tr:odd") 所有奇数
:next $('.item').next('div') class为 item 的下一个 div 兄弟元素,等价于 $('.item + div')
:prev $('.item').prev('div') class为 item 的上一个 div 兄弟元素
:nextAll $('.item').nextAll('div') class 为 item 之后的所有的 div 兄弟元素,等价于 $('.inside ~ div')
:parent > child $('div > span') 选取 div 下的第一代 span 元素,又称直系子元素
:parent $('.item:parent') 选取 class 为 item 的元素的父级元素
     
:eq(index) $("ul li:eq(3)") 列表中的第四个元素(index 从 0 开始)
:gt(no) $("ul li:gt(3)") 列出 index 大于 3 的元素
:lt(no) $("ul li:lt(3)") 列出 index 小于 3 的元素
:not(selector) $("input:not(:empty)") $("input:not(.must)") 所有不为空的 input 元素;所有 class 属性不为 must 的元素
     
:header $(":header") 所有标题元素

-

:animated   所有动画元素
     
:contains(text) $("div:contains('www.phpernote.com')") 所有 div 元素中包含 www.phpernote.com 字符串的所有元素
:empty $(".item:empty") 所有 class 属性为 item 的元素中无子(元素)节点的所有元素
:hidden $("p:hidden") 所有隐藏的

元素

:has $('.item:has(span)') 所有 class 属性为 item 的元素中包含有 span 的所有元素(不分是否直系)
:visible $("table:visible") 所有可见的表格
     
s1,s2,s3 $("th,td,.intro") 所有带有匹配选择的元素
     
[attribute] $("a[href]") 所有带有 href 属性的 a 标签元素
[attribute=value] $("[href='#']") All elements whose href attribute value is equal to "#"
[attribute!=value] $("[href!='#']") All elements whose href attribute value is not equal to "#"
[attribute$=value] $("[href$='.jpg']") The value of all href attributes contains elements ending with ".jpg"
:input $(":input") All elements
:text $(":text") All elements of type="text"
:password $(":password") All elements with type="password"
:radio $(":radio") All elements of type="radio"
:checkbox $(":checkbox") All elements of type="checkbox"
:submit $(":submit") All elements of type="submit"
:reset $(":reset") All elements with type="reset"
:button $(":button") All elements of type="button"
:image $(":image") All elements of type="image"
:file $(":file") All elements of type="file"
:enabled $(":enabled") All activated input elements
:disabled $(":disabled") All disabled input elements
:selected $(":selected") All selected input elements
:checked $(":checked") All selected input elements
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