jQuery Parents的用法,大块的选择区

发布时间：2018-08-18 10:05:55 所属栏目：运营来源：站长网

导读：一个仿照悬停变乱（鼠标移动到一个工具上面及移出这个工具）的要领。这是一个自界说的要领，它为频仍行使的使命提供了一种保持在个中的状态。当鼠标移动到一个匹配的元素上面时，会触发指定的第一个函数。当鼠标移出这个元素时，会触发指定的第二个函数

　　一个仿照悬停变乱（鼠标移动到一个工具上面及移出这个工具）的要领。这是一个自界说的要领，它为频仍行使的使命提供了一种“保持在个中”的状态。当鼠标移动到一个匹配的元素上面时，会触发指定的第一个函数。当鼠标移出这个元素时，会触发指定的第二个函数。并且，会陪伴着对鼠标是否如故处在. 特定元素中的检测（譬喻，处在div中的图像），假如是，则会继承保持“悬停”状态，而不触发移失变乱（批改了行使mouseout变乱的一个常见错误）。 over (Function): 鼠标移到元素上要触发的函数 out (Function): 鼠标移出元素要触发的函数。

　　为办理一些网页殊效运行后不能表现结果（譬喻：jQuery则必要革新）题目，猛火出格新增网页版演示。

　　点击查察：网页殊效

　　运行演示：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>parents的用法</title> <script type="text/javascript" src="/uploads/common/js/jquery-1.3.2.js"></script> <script type="text/javascript"> $(document).ready(function() { $("a").hover(function() { $(this).parents("p").addClass("highlight"); }, function() { $(this).parents("p").removeClass("highlight"); }); }); </script> <style> .highlight { background:#00FF33; border: 3px dotted #0000FF; } </style> </head> <body> <p>这里没用，鼠标移到下边。<p>This is probably the most common mishap. The remedy is simple--yank! It's most easily done with two people. One to restrain <p>the bird and the <a href="#"> This is a link. Hover me toThis is a link. Hover me toThis is a link. Hover me toThis is a link. Hover me to highlight the parent paragraph.</a> </p> <p>This is probably the most common mishap. The remedy is simple--yank! It's most easily done with two people. One to restrain the bird and the <a href="#"> This is a link. Hover me to highlight the parent paragraph.</a> other to pull the feather. Use pliers, or a hemostat. Tweezers won't work on primaries. Make certain that the wing bones are firmly supported or you can break the wing. Clamp onto the feather and give a sharp tug in the direction of the feather. The feather will come out. Next, apply gentle, direct pressure to the follicle where the feather was to stop the bleeding. Dab some styptic powder on it, as it will help stop the bleeding as well. Let the bird rest. Ask your vet or breeder to demonstrate exactly how to pull a blood feather if you're apprehensive about doing it.</p> </body> </html> <br /><center>如不能表现结果，请按Ctrl+F5革新本页，更多网页代码：<a href='http://www.veryhuo.com/' target='_blank'>http://www.veryhuo.com/</a></center>
提醒：可修改儿女码再运行!

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