js 去除html标签

function removeHTMLTag(str)
{
      str = str.replace(/<\/?[^>]*>/g,''); //去除HTML tag
      str = str.replace(/[ | ]*\n/g,'\n'); //去除行尾空白
      //str = str.replace(/\n[\s| | ]*\r/g,'\n'); //去除多余空行
      str=str.replace(/&nbsp;/ig,'');//去掉&nbsp;
      str=str.replace(/&lt;/ig,'');
      str=str.replace(/&gt;/ig,'');
      str=str.replace(/[div|\/div]/g,'');
      str=str.replace(/&lt;[ -~]*&gt;/ig,'');//去掉替换后的<>标签
      return str;
}