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csdn
15 年
JQuery中addClass方法使用无效是怎么回事
在HMTL中我是从外部链入一个CSS文件,文件里有一个.tabLabel的类,然后在HTML里有一个表格,表格的样式是.checkOut类,然后我希望表格中的所有的td的样式都使用tabLabel。代码如下 $(document).ready(function(){ $('checkOut td').addClass('tabLabel'); 然后运行后竟没有反应,就是说td ...
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