重写trim 

String.prototype.trim=function(){return this.replace(/(^\s*)|(\s*$)/g,"");}
posted @ 2011-05-09 17:27  leamiko  阅读(125)  评论(0)  编辑  收藏  举报
document.getElementById('MySignature') && document.getElementById('MySignature').style.display = "none"; document.getElementById('MySignature') && document.getElementById('blog_post_info').style.display = "none";