jQuery.shorten 一个非常不错的折叠长文本的插件。
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How to toggle a long text using jQuery? jquery.shorten
refer to: http://stackoverflow.com/questions/5270227/how-to-hide-show-more-text-within-a-certain-length-like-youtube<div> very very very long texttttttttttttttttttttttttt..... </div> $(element).shorten()