jquery 遍历 next([expr])
next()得到匹配元素集合中各个元素紧邻的兄弟元素集合。‘expr’参数是用来过滤返回匹配元素集合的表达式，可不填。返回匹配元素集合。
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><script src="http://code.jquery.com/jquery-latest.js"></script> <script>$(document).ready(function(){ $("button").next().text("this button is disabled");});</script><style>span { color:blue; font-weight:bold; }button { width:100px; }</style></head><body><div><button disabled="disabled">First</button> - <span></span></div><div><button>Second</button> - <span></span></div><div><button disabled="disabled">Third</button> - <span></span></div></body></html>
$("button").next().text("this button is disabled");
将匹配包含disabled属性button元素的紧邻元素集合。以下是匹配元素集合
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