在这么多属性选择器中[attr="value"]和[attr*="value"]是最实用的
[attr="value"]能帮我们定位不同类型的元素,特别是表单form元素的操作,比如说input[type="text"],input[type="checkbox"]等[attr*="value"]能在网站中帮助我们匹配不同类型的文件
<!DOCTYPE html><html><head> ???<meta http-equiv="Content-type" content="text/html; charset=utf-8" /> ???<title></title> ???<link rel="stylesheet" href="imooc.css" type="text/css"> ???<script src="http://libs.baidu.com/jquery/1.9.1/jquery.js"></script></head><body> ???<h2>属性筛选选择器</h2> ???<h3>[att=val]、[att]、[att|=val]、[att~=val]</h3> ???<div class="left" testattr="true" > ???????<div class="div" testattr="true" name=‘p1‘> ???????????<a>[att=val]</a> ???????</div> ???????<div class="div" testattr="true" p2> ???????????<a>[att]</a> ???????</div> ???????<div class="div" testattr="true" name="-"> ???????????<a>[att|=val]</a> ???????</div> ???????<div class="div" testattr="true" name="a b"> ???????????<a>[att~=val]</a> ???????</div> ???</div> ???<script type="text/javascript"> ????????//查找所有div中,属性name=p1的div元素 ????????$("div[name = p1]").css("border", "3px groove red"); ????</script> ???<script type="text/javascript"> ???????//查找所有div中,有属性p2的div元素 ???????$("div[p2]").css("border", "3px groove blue"); ????</script> ???<script type="text/javascript"> ???????//查找所有div中,有属性name中的值只包含一个连字符“-”的div元素 ???????$("div[name|=‘-‘]").css("border", "3px groove #00FF00"); ????</script> ???<script type="text/javascript"> ???????//查找所有div中,有属性name中的值包含一个连字符“空”和“a”的div元素 ???????$("div[name~=‘a‘]").css("border", "3px groove #668B8B"); ????</script> ???<h3>[att^=val]、[att*=val]、[att$=val]、[att!=val]</h3> ???<div class="left" testattr="true" > ???????<div class="div" testattr="true" ?name=‘imooc-aaorn‘> ???????????<a>[att^=val]</a> ???????</div> ???????<div class="div" testattr="true" ?name=‘aaorn-imooc‘> ???????????<a>[att$=val]</a> ???????</div> ???????<div class="div" testattr="true" ?name="attr-test-selector"> ???????????<a>[att*=val]</a> ???????</div> ???????<div class="div" name="a b"> ???????????<a>[att!=val]</a> ???????</div> ???</div> ???<script type="text/javascript"> ????????//查找所有div中,属性name的值是用imooc开头的 ????????$("div[name ^= imooc]").css("border", "3px groove red"); ????</script> ???<script type="text/javascript"> ????????//查找所有div中,属性name的值是用imooc结尾的 ????????$("div[name $= imooc]").css("border", "3px groove blue"); ????</script> ???<script type="text/javascript"> ???????//查找所有div中,有属性name中的值包含一个test字符串的div元素 ???????$("div[name*=‘test‘]").css("border", "3px groove #00FF00"); ????</script> ???<script type="text/javascript"> ???????//查找所有div中,有属性testattr中的值没有包含"true"的div ???????$("div[testattr != ‘true‘]").css("border", "3px groove #668B8B"); ????</script></body></html>
jQuery选择器之属性筛选选择器
原文地址:http://www.cnblogs.com/sunxirui00/p/7542512.html