jQuery中prevUntil()方法用法实例
本文实例讲述了jQuery中prevUntil()方法用法。分享给大家供大家参考。具体分析如下:
此函数查找匹配元素之前所有的同辈元素,直到遇到expr表达式、DOM元素或者jQuery元素匹配的那个元素为止。
可以使用可选的表达式对同辈元素集合进行筛选。
注意:祖先元素中并不包含expr表达式、DOM元素或者jQuery元素匹配的元素。
语法:
语法一:
$(selector).prevUntil(expr,filter)
参数列表:
实例:
实例一:
<!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <htmlxmlns="http://www.w3.org/1999/xhtml"> <head> <metahttp-equiv="Content-Type"content="text/html;charset=utf-8"/> <metaname="author"content="https://www.nhooo.com/"/> <title>毛票票</title> <styletype="text/css"> .father{ height:200px; width:200px; border:1pxsolidblue; } </style> <scripttype="text/javascript"src="mytest/jQuery/jquery-1.8.3.js"></script> <scripttype="text/javascript"> $(document).ready(function(){ $(".fatherdiv").prevUntil(".firstp").css("color","blue") }) </script> </head> <body> <divclass="father"> <pclass="firstp">我是p元素</p> <span>我是span元素</span> <p>我是p元素</p> <div>我是div元素</div> </div> </body> </html>
实例二:
<!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <htmlxmlns="http://www.w3.org/1999/xhtml"> <head> <metahttp-equiv="Content-Type"content="text/html;charset=utf-8"/> <metaname="author"content="https://www.nhooo.com/"/> <title>毛票票</title> <styletype="text/css"> .father{ height:200px; width:200px; border:1pxsolidblue; } </style> <scripttype="text/javascript"src="mytest/jQuery/jquery-1.8.3.js"></script> <scripttype="text/javascript"> $(document).ready(function(){ $(".fatherdiv").prevUntil(".firstp","span").css("color","blue") }) </script> </head> <body> <divclass="father"> <pclass="firstp">我是p元素</p> <span>我是span元素</span> <p>我是p元素</p> <div>我是div元素</div> </div> </body> </html>
语法二:
$(selector).prevUntil(element,filter)
参数列表:
实例:
实例一:
<!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <htmlxmlns="http://www.w3.org/1999/xhtml"> <head> <metahttp-equiv="Content-Type"content="text/html;charset=utf-8"/> <metaname="author"content="https://www.nhooo.com/"/> <title>毛票票</title> <styletype="text/css"> .father{ height:200px; width:200px; border:1pxsolidblue; } </style> <scripttype="text/javascript"src="mytest/jQuery/jquery-1.8.3.js"></script> <scripttype="text/javascript"> $(document).ready(function(){ $(".fatherdiv").prevUntil(document.getElementById("firstp")).css("color","blue") }) </script> </head> <body> <divclass="father"> <pid="firstp">我是p元素</p> <span>我是span元素</span> <p>我是p元素</p> <div>我是div元素</div> </div> </body> </html>
实例二:
<!DOCTYPEhtmlPUBLIC"-//W3C//DTDXHTML1.0Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <htmlxmlns="http://www.w3.org/1999/xhtml"> <head> <metahttp-equiv="Content-Type"content="text/html;charset=utf-8"/> <metaname="author"content="https://www.nhooo.com/"/> <title>毛票票</title> <styletype="text/css"> .father{ height:200px; width:200px; border:1pxsolidblue; } </style> <scripttype="text/javascript"src="mytest/jQuery/jquery-1.8.3.js"></script> <scripttype="text/javascript"> $(document).ready(function(){ $(".fatherdiv").prevUntil(document.getElementById("firstp"),"span").css("color","blue") }) </script> </head> <body> <divclass="father"> <pid="firstp">我是p元素</p> <span>我是span元素</span> <p>我是p元素</p> <div>我是div元素</div> </div> </body> </html>
希望本文所述对大家的jQuery程序设计有所帮助。