1.获取偶数索引子元素
$('.bizCardReco').children('div').children('span:even').css('width','100px')
2.获取奇数索引子元素
$('.bizCardReco').children('div').children('span:odd').css('width','100px')
css20180509
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转载自blog.csdn.net/weixin_39621570/article/details/80260911
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