js正则替换字符串中的变量为变量的值

 

 

<script> var args = ['a','b']; var values =[1,2]; var sql = 'select ${a},${b},${a}_2 from dual;'; for ( var i = 0; i < args.length; i++) { sql=sql.replace(new RegExp('\\$\\{'+args[i]+'\\}','gm'),values[i]); } alert(sql); </script>