JS:正则将首字单词转成大写

<script language="JavaScript"> <!-- var str="xi nan shi you xue yuan china people" alert(str.replace(/\s[a-z]/g,function($1){return $1.toLocaleUpperCase()}).replace(/^[a-z]/,function($1){return $1.toLocaleUpperCase()})) //--> </script>
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]