var str;str.replace(/\t/g,"");//去掉所有制表符str.replace(/(^\t*)|(\t*$)/g,"");//去掉首尾制表符补充，换行的用如下代码替换:
var str;str.replace(/\n/g,&[......]var str;str.replace(/\t/g,"");//去掉所有制表符str.replace(/(^\t*)|(\t*$)/g,"");//去掉首尾制表符补充，换行的用如下代码替换:
var str;str.replace(/\n/g,&[......]