???寫了這么久的web程序，還沒好好整理過javascript方面的東西，每次要用到什么東西都是滿世界的找，在曾經的項目里，在google里到處搜，下次還是做好一個存放一個，從這里開始整理吧.

1、替換字符串中 所有字符
<script type="text/javascript">
function strReplace(search, replace, str) {
?var regex = new RegExp(search, "g");
?return str.replace(regex, replace);
}
?? var aa = new Array();
?? aa.push("，","。","！","、","？","；");
?? var aa1 = new Array();
?? aa1.push(",",".","!",",","?",";");????
?? var str = "你好，大家都在忙什么？有空來玩，再見。"
?? for(var i=0; i<aa.length; i++){
?????? var ostr = ""+aa[i];
?????? var nstr = ""+aa1[i];
?????? str = strReplace(ostr,nstr,str);
?? }
?? document.write(str);
</script>